254807280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3889}}^1$

素因数の和:3928

約数の個数: 240

約数和(自身を含む): 1053474240

約数和(自身を除く): 798666960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 504, 520, 546, 560, 585, 624, 630, 720, 728, 780, 819, 840, 910, 936, 1008, 1040, 1092, 1170, 1260, 1365, 1456, 1560, 1638, 1680, 1820, 1872, 2184, 2340, 2520, 2730, 3120, 3276, 3640, 3889, 4095, 4368, 4680, 5040, 5460, 6552, 7280, 7778, 8190, 9360, 10920, 11667, 13104, 15556, 16380, 19445, 21840, 23334, 27223, 31112, 32760, 35001, 38890, 46668, 50557, 54446, 58335, 62224, 65520, 70002, 77780, 81669, 93336, 101114, 108892, 116670, 136115, 140004, 151671, 155560, 163338, 175005, 186672, 202228, 217784, 233340, 245007, 252785, 272230, 280008, 303342, 311120, 326676, 350010, 353899, 404456, 408345, 435568, 455013, 466680, 490014, 505570, 544460, 560016, 606684, 653352, 700020, 707798, 758355, 808912, 816690, 910026, 933360, 980028, 1011140, 1061697, 1088920, 1213368, 1225035, 1306704, 1400040, 1415596, 1516710, 1633380, 1769495, 1820052, 1960056, 2022280, 2123394, 2177840, 2275065, 2426736, 2450070, 2800080, 2831192, 3033420, 3185091, 3266760, 3538990, 3640104, 3920112, 4044560, 4246788, 4550130, 4900140, 5308485, 5662384, 6066840, 6370182, 6533520, 7077980, 7280208, 8493576, 9100260, 9800280, 10616970, 12133680, 12740364, 14155960, 15925455, 16987152, 18200520, 19600560, 21233940, 25480728, 28311920, 31850910, 36401040, 42467880, 50961456, 63701820, 84935760, 127403640, 254807280]

約数ペア:

[(1, 254807280), (2, 127403640), (3, 84935760), (4, 63701820), (5, 50961456), (6, 42467880), (7, 36401040), (8, 31850910), (9, 28311920), (10, 25480728), (12, 21233940), (13, 19600560), (14, 18200520), (15, 16987152), (16, 15925455), (18, 14155960), (20, 12740364), (21, 12133680), (24, 10616970), (26, 9800280), (28, 9100260), (30, 8493576), (35, 7280208), (36, 7077980), (39, 6533520), (40, 6370182), (42, 6066840), (45, 5662384), (48, 5308485), (52, 4900140), (56, 4550130), (60, 4246788), (63, 4044560), (65, 3920112), (70, 3640104), (72, 3538990), (78, 3266760), (80, 3185091), (84, 3033420), (90, 2831192), (91, 2800080), (104, 2450070), (105, 2426736), (112, 2275065), (117, 2177840), (120, 2123394), (126, 2022280), (130, 1960056), (140, 1820052), (144, 1769495), (156, 1633380), (168, 1516710), (180, 1415596), (182, 1400040), (195, 1306704), (208, 1225035), (210, 1213368), (234, 1088920), (240, 1061697), (252, 1011140), (260, 980028), (273, 933360), (280, 910026), (312, 816690), (315, 808912), (336, 758355), (360, 707798), (364, 700020), (390, 653352), (420, 606684), (455, 560016), (468, 544460), (504, 505570), (520, 490014), (546, 466680), (560, 455013), (585, 435568), (624, 408345), (630, 404456), (720, 353899), (728, 350010), (780, 326676), (819, 311120), (840, 303342), (910, 280008), (936, 272230), (1008, 252785), (1040, 245007), (1092, 233340), (1170, 217784), (1260, 202228), (1365, 186672), (1456, 175005), (1560, 163338), (1638, 155560), (1680, 151671), (1820, 140004), (1872, 136115), (2184, 116670), (2340, 108892), (2520, 101114), (2730, 93336), (3120, 81669), (3276, 77780), (3640, 70002), (3889, 65520), (4095, 62224), (4368, 58335), (4680, 54446), (5040, 50557), (5460, 46668), (6552, 38890), (7280, 35001), (7778, 32760), (8190, 31112), (9360, 27223), (10920, 23334), (11667, 21840), (13104, 19445), (15556, 16380)]