65108680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 186439680

約数和(自身を除く): 121331000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 577, 620, 728, 806, 868, 910, 1085, 1154, 1240, 1612, 1736, 1820, 2015, 2170, 2308, 2821, 2885, 3224, 3640, 4030, 4039, 4340, 4616, 5642, 5770, 7501, 8060, 8078, 8680, 11284, 11540, 14105, 15002, 16120, 16156, 17887, 20195, 22568, 23080, 28210, 30004, 32312, 35774, 37505, 40390, 52507, 56420, 60008, 71548, 75010, 80780, 89435, 105014, 112840, 125209, 143096, 150020, 161560, 178870, 210028, 232531, 250418, 262535, 300040, 357740, 420056, 465062, 500836, 525070, 626045, 715480, 930124, 1001672, 1050140, 1162655, 1252090, 1627717, 1860248, 2100280, 2325310, 2504180, 3255434, 4650620, 5008360, 6510868, 8138585, 9301240, 13021736, 16277170, 32554340, 65108680]

約数ペア:

[(1, 65108680), (2, 32554340), (4, 16277170), (5, 13021736), (7, 9301240), (8, 8138585), (10, 6510868), (13, 5008360), (14, 4650620), (20, 3255434), (26, 2504180), (28, 2325310), (31, 2100280), (35, 1860248), (40, 1627717), (52, 1252090), (56, 1162655), (62, 1050140), (65, 1001672), (70, 930124), (91, 715480), (104, 626045), (124, 525070), (130, 500836), (140, 465062), (155, 420056), (182, 357740), (217, 300040), (248, 262535), (260, 250418), (280, 232531), (310, 210028), (364, 178870), (403, 161560), (434, 150020), (455, 143096), (520, 125209), (577, 112840), (620, 105014), (728, 89435), (806, 80780), (868, 75010), (910, 71548), (1085, 60008), (1154, 56420), (1240, 52507), (1612, 40390), (1736, 37505), (1820, 35774), (2015, 32312), (2170, 30004), (2308, 28210), (2821, 23080), (2885, 22568), (3224, 20195), (3640, 17887), (4030, 16156), (4039, 16120), (4340, 15002), (4616, 14105), (5642, 11540), (5770, 11284), (7501, 8680), (8060, 8078)]