408379920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^2$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 1452615360

約数和(自身を除く): 1044235440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 83, 95, 104, 114, 120, 130, 152, 156, 166, 190, 195, 208, 228, 240, 247, 249, 260, 285, 304, 312, 332, 380, 390, 415, 456, 494, 498, 520, 570, 624, 664, 741, 760, 780, 830, 912, 988, 996, 1040, 1079, 1140, 1235, 1245, 1328, 1482, 1520, 1560, 1577, 1660, 1976, 1992, 2158, 2280, 2470, 2490, 2964, 3120, 3154, 3237, 3320, 3705, 3952, 3984, 4316, 4560, 4731, 4940, 4980, 5395, 5928, 6308, 6474, 6640, 6889, 7410, 7885, 8632, 9462, 9880, 9960, 10790, 11856, 12616, 12948, 13778, 14820, 15770, 16185, 17264, 18924, 19760, 19920, 20501, 20667, 21580, 23655, 25232, 25896, 27556, 29640, 31540, 32370, 34445, 37848, 41002, 41334, 43160, 47310, 51792, 55112, 59280, 61503, 63080, 64740, 68890, 75696, 82004, 82668, 86320, 89557, 94620, 102505, 103335, 110224, 123006, 126160, 129480, 130891, 137780, 164008, 165336, 179114, 189240, 205010, 206670, 246012, 258960, 261782, 268671, 275560, 307515, 328016, 330672, 358228, 378480, 392673, 410020, 413340, 447785, 492024, 523564, 537342, 551120, 615030, 654455, 716456, 785346, 820040, 826680, 895570, 984048, 1047128, 1074684, 1230060, 1308910, 1343355, 1432912, 1570692, 1640080, 1653360, 1701583, 1791140, 1963365, 2094256, 2149368, 2460120, 2617820, 2686710, 3141384, 3403166, 3582280, 3926730, 4298736, 4920240, 5104749, 5235640, 5373420, 6282768, 6806332, 7164560, 7853460, 8507915, 10209498, 10471280, 10746840, 13612664, 15706920, 17015830, 20418996, 21493680, 25523745, 27225328, 31413840, 34031660, 40837992, 51047490, 68063320, 81675984, 102094980, 136126640, 204189960, 408379920]

約数ペア:

[(1, 408379920), (2, 204189960), (3, 136126640), (4, 102094980), (5, 81675984), (6, 68063320), (8, 51047490), (10, 40837992), (12, 34031660), (13, 31413840), (15, 27225328), (16, 25523745), (19, 21493680), (20, 20418996), (24, 17015830), (26, 15706920), (30, 13612664), (38, 10746840), (39, 10471280), (40, 10209498), (48, 8507915), (52, 7853460), (57, 7164560), (60, 6806332), (65, 6282768), (76, 5373420), (78, 5235640), (80, 5104749), (83, 4920240), (95, 4298736), (104, 3926730), (114, 3582280), (120, 3403166), (130, 3141384), (152, 2686710), (156, 2617820), (166, 2460120), (190, 2149368), (195, 2094256), (208, 1963365), (228, 1791140), (240, 1701583), (247, 1653360), (249, 1640080), (260, 1570692), (285, 1432912), (304, 1343355), (312, 1308910), (332, 1230060), (380, 1074684), (390, 1047128), (415, 984048), (456, 895570), (494, 826680), (498, 820040), (520, 785346), (570, 716456), (624, 654455), (664, 615030), (741, 551120), (760, 537342), (780, 523564), (830, 492024), (912, 447785), (988, 413340), (996, 410020), (1040, 392673), (1079, 378480), (1140, 358228), (1235, 330672), (1245, 328016), (1328, 307515), (1482, 275560), (1520, 268671), (1560, 261782), (1577, 258960), (1660, 246012), (1976, 206670), (1992, 205010), (2158, 189240), (2280, 179114), (2470, 165336), (2490, 164008), (2964, 137780), (3120, 130891), (3154, 129480), (3237, 126160), (3320, 123006), (3705, 110224), (3952, 103335), (3984, 102505), (4316, 94620), (4560, 89557), (4731, 86320), (4940, 82668), (4980, 82004), (5395, 75696), (5928, 68890), (6308, 64740), (6474, 63080), (6640, 61503), (6889, 59280), (7410, 55112), (7885, 51792), (8632, 47310), (9462, 43160), (9880, 41334), (9960, 41002), (10790, 37848), (11856, 34445), (12616, 32370), (12948, 31540), (13778, 29640), (14820, 27556), (15770, 25896), (16185, 25232), (17264, 23655), (18924, 21580), (19760, 20667), (19920, 20501)]