278219280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 320

約数和(自身を含む): 997436160

約数和(自身を除く): 719216880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 37, 38, 40, 48, 51, 57, 60, 68, 74, 76, 80, 85, 95, 97, 102, 111, 114, 120, 136, 148, 152, 170, 185, 190, 194, 204, 222, 228, 240, 255, 272, 285, 291, 296, 304, 323, 340, 370, 380, 388, 408, 444, 456, 485, 510, 555, 570, 582, 592, 629, 646, 680, 703, 740, 760, 776, 816, 888, 912, 969, 970, 1020, 1110, 1140, 1164, 1258, 1292, 1360, 1406, 1455, 1480, 1520, 1552, 1615, 1649, 1776, 1843, 1887, 1938, 1940, 2040, 2109, 2220, 2280, 2328, 2516, 2584, 2812, 2910, 2960, 3145, 3230, 3298, 3515, 3589, 3686, 3774, 3876, 3880, 4080, 4218, 4440, 4560, 4656, 4845, 4947, 5032, 5168, 5529, 5624, 5820, 6290, 6460, 6596, 7030, 7178, 7372, 7548, 7752, 7760, 8245, 8436, 8880, 9215, 9435, 9690, 9894, 10064, 10545, 10767, 11058, 11248, 11640, 11951, 12580, 12920, 13192, 14060, 14356, 14744, 15096, 15504, 16490, 16872, 17945, 18430, 18870, 19380, 19788, 21090, 21534, 22116, 23280, 23902, 24735, 25160, 25840, 26384, 27645, 28120, 28712, 29488, 30192, 31331, 32980, 33744, 35853, 35890, 36860, 37740, 38760, 39576, 42180, 43068, 44232, 47804, 49470, 50320, 53835, 55290, 56240, 57424, 59755, 61013, 62662, 65960, 68191, 71706, 71780, 73720, 75480, 77520, 79152, 84360, 86136, 88464, 93993, 95608, 98940, 107670, 110580, 119510, 122026, 125324, 131920, 136382, 143412, 143560, 147440, 150960, 156655, 168720, 172272, 179265, 183039, 187986, 191216, 197880, 204573, 215340, 221160, 239020, 244052, 250648, 272764, 286824, 287120, 305065, 313310, 340955, 358530, 366078, 375972, 395760, 409146, 430680, 442320, 469965, 478040, 488104, 501296, 545528, 573648, 610130, 626620, 681910, 717060, 732156, 751944, 818292, 861360, 915195, 939930, 956080, 976208, 1022865, 1091056, 1159247, 1220260, 1253240, 1363820, 1434120, 1464312, 1503888, 1636584, 1830390, 1879860, 2045730, 2318494, 2440520, 2506480, 2727640, 2868240, 2928624, 3273168, 3477741, 3660780, 3759720, 4091460, 4636988, 4881040, 5455280, 5796235, 6955482, 7321560, 7519440, 8182920, 9273976, 11592470, 13910964, 14643120, 16365840, 17388705, 18547952, 23184940, 27821928, 34777410, 46369880, 55643856, 69554820, 92739760, 139109640, 278219280]

約数ペア:

[(1, 278219280), (2, 139109640), (3, 92739760), (4, 69554820), (5, 55643856), (6, 46369880), (8, 34777410), (10, 27821928), (12, 23184940), (15, 18547952), (16, 17388705), (17, 16365840), (19, 14643120), (20, 13910964), (24, 11592470), (30, 9273976), (34, 8182920), (37, 7519440), (38, 7321560), (40, 6955482), (48, 5796235), (51, 5455280), (57, 4881040), (60, 4636988), (68, 4091460), (74, 3759720), (76, 3660780), (80, 3477741), (85, 3273168), (95, 2928624), (97, 2868240), (102, 2727640), (111, 2506480), (114, 2440520), (120, 2318494), (136, 2045730), (148, 1879860), (152, 1830390), (170, 1636584), (185, 1503888), (190, 1464312), (194, 1434120), (204, 1363820), (222, 1253240), (228, 1220260), (240, 1159247), (255, 1091056), (272, 1022865), (285, 976208), (291, 956080), (296, 939930), (304, 915195), (323, 861360), (340, 818292), (370, 751944), (380, 732156), (388, 717060), (408, 681910), (444, 626620), (456, 610130), (485, 573648), (510, 545528), (555, 501296), (570, 488104), (582, 478040), (592, 469965), (629, 442320), (646, 430680), (680, 409146), (703, 395760), (740, 375972), (760, 366078), (776, 358530), (816, 340955), (888, 313310), (912, 305065), (969, 287120), (970, 286824), (1020, 272764), (1110, 250648), (1140, 244052), (1164, 239020), (1258, 221160), (1292, 215340), (1360, 204573), (1406, 197880), (1455, 191216), (1480, 187986), (1520, 183039), (1552, 179265), (1615, 172272), (1649, 168720), (1776, 156655), (1843, 150960), (1887, 147440), (1938, 143560), (1940, 143412), (2040, 136382), (2109, 131920), (2220, 125324), (2280, 122026), (2328, 119510), (2516, 110580), (2584, 107670), (2812, 98940), (2910, 95608), (2960, 93993), (3145, 88464), (3230, 86136), (3298, 84360), (3515, 79152), (3589, 77520), (3686, 75480), (3774, 73720), (3876, 71780), (3880, 71706), (4080, 68191), (4218, 65960), (4440, 62662), (4560, 61013), (4656, 59755), (4845, 57424), (4947, 56240), (5032, 55290), (5168, 53835), (5529, 50320), (5624, 49470), (5820, 47804), (6290, 44232), (6460, 43068), (6596, 42180), (7030, 39576), (7178, 38760), (7372, 37740), (7548, 36860), (7752, 35890), (7760, 35853), (8245, 33744), (8436, 32980), (8880, 31331), (9215, 30192), (9435, 29488), (9690, 28712), (9894, 28120), (10064, 27645), (10545, 26384), (10767, 25840), (11058, 25160), (11248, 24735), (11640, 23902), (11951, 23280), (12580, 22116), (12920, 21534), (13192, 21090), (14060, 19788), (14356, 19380), (14744, 18870), (15096, 18430), (15504, 17945), (16490, 16872)]