420383640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{1297}}^1$

素因数の和:1421

約数の個数: 128

約数和(自身を含む): 1313991360

約数和(自身を除く): 893607720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 73, 74, 111, 120, 146, 148, 185, 219, 222, 292, 296, 365, 370, 438, 444, 555, 584, 730, 740, 876, 888, 1095, 1110, 1297, 1460, 1480, 1752, 2190, 2220, 2594, 2701, 2920, 3891, 4380, 4440, 5188, 5402, 6485, 7782, 8103, 8760, 10376, 10804, 12970, 13505, 15564, 16206, 19455, 21608, 25940, 27010, 31128, 32412, 38910, 40515, 47989, 51880, 54020, 64824, 77820, 81030, 94681, 95978, 108040, 143967, 155640, 162060, 189362, 191956, 239945, 284043, 287934, 324120, 378724, 383912, 473405, 479890, 568086, 575868, 719835, 757448, 946810, 959780, 1136172, 1151736, 1420215, 1439670, 1893620, 1919560, 2272344, 2840430, 2879340, 3503197, 3787240, 5680860, 5758680, 7006394, 10509591, 11361720, 14012788, 17515985, 21019182, 28025576, 35031970, 42038364, 52547955, 70063940, 84076728, 105095910, 140127880, 210191820, 420383640]

約数ペア:

[(1, 420383640), (2, 210191820), (3, 140127880), (4, 105095910), (5, 84076728), (6, 70063940), (8, 52547955), (10, 42038364), (12, 35031970), (15, 28025576), (20, 21019182), (24, 17515985), (30, 14012788), (37, 11361720), (40, 10509591), (60, 7006394), (73, 5758680), (74, 5680860), (111, 3787240), (120, 3503197), (146, 2879340), (148, 2840430), (185, 2272344), (219, 1919560), (222, 1893620), (292, 1439670), (296, 1420215), (365, 1151736), (370, 1136172), (438, 959780), (444, 946810), (555, 757448), (584, 719835), (730, 575868), (740, 568086), (876, 479890), (888, 473405), (1095, 383912), (1110, 378724), (1297, 324120), (1460, 287934), (1480, 284043), (1752, 239945), (2190, 191956), (2220, 189362), (2594, 162060), (2701, 155640), (2920, 143967), (3891, 108040), (4380, 95978), (4440, 94681), (5188, 81030), (5402, 77820), (6485, 64824), (7782, 54020), (8103, 51880), (8760, 47989), (10376, 40515), (10804, 38910), (12970, 32412), (13505, 31128), (15564, 27010), (16206, 25940), (19455, 21608)]