18203640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1701

約数の個数: 128

約数和(自身を含む): 67253760

約数和(自身を除く): 49050120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1667, 1820, 2184, 2730, 3334, 3640, 5001, 5460, 6668, 8335, 10002, 10920, 11669, 13336, 16670, 20004, 21671, 23338, 25005, 33340, 35007, 40008, 43342, 46676, 50010, 58345, 65013, 66680, 70014, 86684, 93352, 100020, 108355, 116690, 130026, 140028, 151697, 173368, 175035, 200040, 216710, 233380, 260052, 280056, 303394, 325065, 350070, 433420, 455091, 466760, 520104, 606788, 650130, 700140, 758485, 866840, 910182, 1213576, 1300260, 1400280, 1516970, 1820364, 2275455, 2600520, 3033940, 3640728, 4550910, 6067880, 9101820, 18203640]

約数ペア:

[(1, 18203640), (2, 9101820), (3, 6067880), (4, 4550910), (5, 3640728), (6, 3033940), (7, 2600520), (8, 2275455), (10, 1820364), (12, 1516970), (13, 1400280), (14, 1300260), (15, 1213576), (20, 910182), (21, 866840), (24, 758485), (26, 700140), (28, 650130), (30, 606788), (35, 520104), (39, 466760), (40, 455091), (42, 433420), (52, 350070), (56, 325065), (60, 303394), (65, 280056), (70, 260052), (78, 233380), (84, 216710), (91, 200040), (104, 175035), (105, 173368), (120, 151697), (130, 140028), (140, 130026), (156, 116690), (168, 108355), (182, 100020), (195, 93352), (210, 86684), (260, 70014), (273, 66680), (280, 65013), (312, 58345), (364, 50010), (390, 46676), (420, 43342), (455, 40008), (520, 35007), (546, 33340), (728, 25005), (780, 23338), (840, 21671), (910, 20004), (1092, 16670), (1365, 13336), (1560, 11669), (1667, 10920), (1820, 10002), (2184, 8335), (2730, 6668), (3334, 5460), (3640, 5001)]