18116280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 74692800

約数和(自身を除く): 56576520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 49, 52, 56, 60, 63, 65, 70, 72, 78, 79, 84, 90, 91, 98, 104, 105, 117, 120, 126, 130, 140, 147, 156, 158, 168, 180, 182, 195, 196, 210, 234, 237, 245, 252, 260, 273, 280, 294, 312, 315, 316, 360, 364, 390, 392, 395, 420, 441, 455, 468, 474, 490, 504, 520, 546, 553, 585, 588, 630, 632, 637, 711, 728, 735, 780, 790, 819, 840, 882, 910, 936, 948, 980, 1027, 1092, 1106, 1170, 1176, 1185, 1260, 1274, 1365, 1422, 1470, 1560, 1580, 1638, 1659, 1764, 1820, 1896, 1911, 1960, 2054, 2184, 2205, 2212, 2340, 2370, 2520, 2548, 2730, 2765, 2844, 2940, 3081, 3160, 3185, 3276, 3318, 3528, 3555, 3640, 3822, 3871, 4095, 4108, 4410, 4424, 4680, 4740, 4977, 5096, 5135, 5460, 5530, 5688, 5733, 5880, 6162, 6370, 6552, 6636, 7110, 7189, 7644, 7742, 8190, 8216, 8295, 8820, 9243, 9480, 9555, 9954, 10270, 10920, 11060, 11466, 11613, 12324, 12740, 13272, 14220, 14378, 15288, 15405, 15484, 16380, 16590, 17640, 18486, 19110, 19355, 19908, 20540, 21567, 22120, 22932, 23226, 24648, 24885, 25480, 28440, 28665, 28756, 30810, 30968, 32760, 33180, 34839, 35945, 36972, 38220, 38710, 39816, 41080, 43134, 45864, 46215, 46452, 49770, 50323, 57330, 57512, 58065, 61620, 64701, 66360, 69678, 71890, 73944, 76440, 77420, 86268, 92430, 92904, 99540, 100646, 107835, 114660, 116130, 123240, 129402, 139356, 143780, 150969, 154840, 172536, 174195, 184860, 199080, 201292, 215670, 229320, 232260, 251615, 258804, 278712, 287560, 301938, 323505, 348390, 369720, 402584, 431340, 452907, 464520, 503230, 517608, 603876, 647010, 696780, 754845, 862680, 905814, 1006460, 1207752, 1294020, 1393560, 1509690, 1811628, 2012920, 2264535, 2588040, 3019380, 3623256, 4529070, 6038760, 9058140, 18116280]

約数ペア:

[(1, 18116280), (2, 9058140), (3, 6038760), (4, 4529070), (5, 3623256), (6, 3019380), (7, 2588040), (8, 2264535), (9, 2012920), (10, 1811628), (12, 1509690), (13, 1393560), (14, 1294020), (15, 1207752), (18, 1006460), (20, 905814), (21, 862680), (24, 754845), (26, 696780), (28, 647010), (30, 603876), (35, 517608), (36, 503230), (39, 464520), (40, 452907), (42, 431340), (45, 402584), (49, 369720), (52, 348390), (56, 323505), (60, 301938), (63, 287560), (65, 278712), (70, 258804), (72, 251615), (78, 232260), (79, 229320), (84, 215670), (90, 201292), (91, 199080), (98, 184860), (104, 174195), (105, 172536), (117, 154840), (120, 150969), (126, 143780), (130, 139356), (140, 129402), (147, 123240), (156, 116130), (158, 114660), (168, 107835), (180, 100646), (182, 99540), (195, 92904), (196, 92430), (210, 86268), (234, 77420), (237, 76440), (245, 73944), (252, 71890), (260, 69678), (273, 66360), (280, 64701), (294, 61620), (312, 58065), (315, 57512), (316, 57330), (360, 50323), (364, 49770), (390, 46452), (392, 46215), (395, 45864), (420, 43134), (441, 41080), (455, 39816), (468, 38710), (474, 38220), (490, 36972), (504, 35945), (520, 34839), (546, 33180), (553, 32760), (585, 30968), (588, 30810), (630, 28756), (632, 28665), (637, 28440), (711, 25480), (728, 24885), (735, 24648), (780, 23226), (790, 22932), (819, 22120), (840, 21567), (882, 20540), (910, 19908), (936, 19355), (948, 19110), (980, 18486), (1027, 17640), (1092, 16590), (1106, 16380), (1170, 15484), (1176, 15405), (1185, 15288), (1260, 14378), (1274, 14220), (1365, 13272), (1422, 12740), (1470, 12324), (1560, 11613), (1580, 11466), (1638, 11060), (1659, 10920), (1764, 10270), (1820, 9954), (1896, 9555), (1911, 9480), (1960, 9243), (2054, 8820), (2184, 8295), (2205, 8216), (2212, 8190), (2340, 7742), (2370, 7644), (2520, 7189), (2548, 7110), (2730, 6636), (2765, 6552), (2844, 6370), (2940, 6162), (3081, 5880), (3160, 5733), (3185, 5688), (3276, 5530), (3318, 5460), (3528, 5135), (3555, 5096), (3640, 4977), (3822, 4740), (3871, 4680), (4095, 4424), (4108, 4410)]