639735840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:353

約数の個数: 384

約数和(自身を含む): 2455971840

約数和(自身を除く): 1816236000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 31, 32, 34, 36, 40, 45, 48, 51, 54, 60, 62, 68, 72, 80, 85, 90, 93, 96, 102, 108, 120, 124, 135, 136, 144, 153, 155, 160, 170, 180, 186, 204, 216, 240, 248, 255, 270, 272, 279, 281, 288, 306, 310, 340, 360, 372, 408, 432, 459, 465, 480, 496, 510, 527, 540, 544, 558, 562, 612, 620, 680, 720, 744, 765, 816, 837, 843, 864, 918, 930, 992, 1020, 1054, 1080, 1116, 1124, 1224, 1240, 1360, 1395, 1405, 1440, 1488, 1530, 1581, 1632, 1674, 1686, 1836, 1860, 2040, 2108, 2160, 2232, 2248, 2295, 2448, 2480, 2529, 2635, 2720, 2790, 2810, 2976, 3060, 3162, 3348, 3372, 3672, 3720, 4080, 4185, 4215, 4216, 4320, 4464, 4496, 4590, 4743, 4777, 4896, 4960, 5058, 5270, 5580, 5620, 6120, 6324, 6696, 6744, 7344, 7440, 7587, 7905, 8160, 8370, 8430, 8432, 8711, 8928, 8992, 9180, 9486, 9554, 10116, 10540, 11160, 11240, 12240, 12645, 12648, 13392, 13488, 14229, 14331, 14688, 14880, 15174, 15810, 16740, 16860, 16864, 17422, 18360, 18972, 19108, 20232, 21080, 22320, 22480, 23715, 23885, 24480, 25290, 25296, 26133, 26784, 26976, 28458, 28662, 30348, 31620, 33480, 33720, 34844, 36720, 37935, 37944, 38216, 40464, 42160, 42993, 43555, 44640, 44960, 47430, 47770, 50580, 50592, 52266, 56916, 57324, 60696, 63240, 66960, 67440, 69688, 71145, 71655, 73440, 75870, 75888, 76432, 78399, 80928, 84320, 85986, 87110, 94860, 95540, 101160, 104532, 113832, 114648, 121392, 126480, 128979, 130665, 133920, 134880, 139376, 142290, 143310, 148087, 151740, 151776, 152864, 156798, 171972, 174220, 189720, 191080, 202320, 209064, 214965, 227664, 229296, 235197, 242784, 252960, 257958, 261330, 278752, 284580, 286620, 296174, 303480, 313596, 343944, 348440, 379440, 382160, 391995, 404640, 418128, 429930, 444261, 455328, 458592, 470394, 515916, 522660, 569160, 573240, 592348, 606960, 627192, 644895, 687888, 696880, 740435, 758880, 764320, 783990, 836256, 859860, 888522, 940788, 1031832, 1045320, 1138320, 1146480, 1175985, 1184696, 1213920, 1254384, 1289790, 1332783, 1375776, 1393760, 1480870, 1567980, 1719720, 1777044, 1881576, 2063664, 2090640, 2221305, 2276640, 2292960, 2351970, 2369392, 2508768, 2579580, 2665566, 2961740, 3135960, 3439440, 3554088, 3763152, 3998349, 4127328, 4181280, 4442610, 4703940, 4738784, 5159160, 5331132, 5923480, 6271920, 6663915, 6878880, 7108176, 7526304, 7996698, 8885220, 9407880, 10318320, 10662264, 11846960, 12543840, 13327830, 14216352, 15993396, 17770440, 18815760, 19991745, 20636640, 21324528, 23693920, 26655660, 31986792, 35540880, 37631520, 39983490, 42649056, 53311320, 63973584, 71081760, 79966980, 106622640, 127947168, 159933960, 213245280, 319867920, 639735840]

約数ペア:

[(1, 639735840), (2, 319867920), (3, 213245280), (4, 159933960), (5, 127947168), (6, 106622640), (8, 79966980), (9, 71081760), (10, 63973584), (12, 53311320), (15, 42649056), (16, 39983490), (17, 37631520), (18, 35540880), (20, 31986792), (24, 26655660), (27, 23693920), (30, 21324528), (31, 20636640), (32, 19991745), (34, 18815760), (36, 17770440), (40, 15993396), (45, 14216352), (48, 13327830), (51, 12543840), (54, 11846960), (60, 10662264), (62, 10318320), (68, 9407880), (72, 8885220), (80, 7996698), (85, 7526304), (90, 7108176), (93, 6878880), (96, 6663915), (102, 6271920), (108, 5923480), (120, 5331132), (124, 5159160), (135, 4738784), (136, 4703940), (144, 4442610), (153, 4181280), (155, 4127328), (160, 3998349), (170, 3763152), (180, 3554088), (186, 3439440), (204, 3135960), (216, 2961740), (240, 2665566), (248, 2579580), (255, 2508768), (270, 2369392), (272, 2351970), (279, 2292960), (281, 2276640), (288, 2221305), (306, 2090640), (310, 2063664), (340, 1881576), (360, 1777044), (372, 1719720), (408, 1567980), (432, 1480870), (459, 1393760), (465, 1375776), (480, 1332783), (496, 1289790), (510, 1254384), (527, 1213920), (540, 1184696), (544, 1175985), (558, 1146480), (562, 1138320), (612, 1045320), (620, 1031832), (680, 940788), (720, 888522), (744, 859860), (765, 836256), (816, 783990), (837, 764320), (843, 758880), (864, 740435), (918, 696880), (930, 687888), (992, 644895), (1020, 627192), (1054, 606960), (1080, 592348), (1116, 573240), (1124, 569160), (1224, 522660), (1240, 515916), (1360, 470394), (1395, 458592), (1405, 455328), (1440, 444261), (1488, 429930), (1530, 418128), (1581, 404640), (1632, 391995), (1674, 382160), (1686, 379440), (1836, 348440), (1860, 343944), (2040, 313596), (2108, 303480), (2160, 296174), (2232, 286620), (2248, 284580), (2295, 278752), (2448, 261330), (2480, 257958), (2529, 252960), (2635, 242784), (2720, 235197), (2790, 229296), (2810, 227664), (2976, 214965), (3060, 209064), (3162, 202320), (3348, 191080), (3372, 189720), (3672, 174220), (3720, 171972), (4080, 156798), (4185, 152864), (4215, 151776), (4216, 151740), (4320, 148087), (4464, 143310), (4496, 142290), (4590, 139376), (4743, 134880), (4777, 133920), (4896, 130665), (4960, 128979), (5058, 126480), (5270, 121392), (5580, 114648), (5620, 113832), (6120, 104532), (6324, 101160), (6696, 95540), (6744, 94860), (7344, 87110), (7440, 85986), (7587, 84320), (7905, 80928), (8160, 78399), (8370, 76432), (8430, 75888), (8432, 75870), (8711, 73440), (8928, 71655), (8992, 71145), (9180, 69688), (9486, 67440), (9554, 66960), (10116, 63240), (10540, 60696), (11160, 57324), (11240, 56916), (12240, 52266), (12645, 50592), (12648, 50580), (13392, 47770), (13488, 47430), (14229, 44960), (14331, 44640), (14688, 43555), (14880, 42993), (15174, 42160), (15810, 40464), (16740, 38216), (16860, 37944), (16864, 37935), (17422, 36720), (18360, 34844), (18972, 33720), (19108, 33480), (20232, 31620), (21080, 30348), (22320, 28662), (22480, 28458), (23715, 26976), (23885, 26784), (24480, 26133), (25290, 25296)]