156789639880

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1\times {\mathrm{827}}^1$

素因数の和:1439

約数の個数: 128

約数和(自身を含む): 360532529280

約数和(自身を除く): 203742889400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 131, 194, 262, 373, 388, 485, 524, 655, 746, 776, 827, 970, 1048, 1310, 1492, 1654, 1865, 1940, 2620, 2984, 3308, 3730, 3880, 4135, 5240, 6616, 7460, 8270, 12707, 14920, 16540, 25414, 33080, 36181, 48863, 50828, 63535, 72362, 80219, 97726, 101656, 108337, 127070, 144724, 160438, 180905, 195452, 216674, 244315, 254140, 289448, 308471, 320876, 361810, 390904, 401095, 433348, 488630, 508280, 541685, 616942, 641752, 723620, 802190, 866696, 977260, 1083370, 1233884, 1447240, 1542355, 1604380, 1954520, 2166740, 2467768, 3084710, 3208760, 4333480, 4739711, 6169420, 9479422, 10508689, 12338840, 18958844, 21017378, 23698555, 29921687, 37917688, 40409701, 42034756, 47397110, 52543445, 59843374, 80819402, 84069512, 94794220, 105086890, 119686748, 149608435, 161638804, 189588440, 202048505, 210173780, 239373496, 299216870, 323277608, 404097010, 420347560, 598433740, 808194020, 1196867480, 1616388040, 3919740997, 7839481994, 15678963988, 19598704985, 31357927976, 39197409970, 78394819940, 156789639880]

約数ペア:

[(1, 156789639880), (2, 78394819940), (4, 39197409970), (5, 31357927976), (8, 19598704985), (10, 15678963988), (20, 7839481994), (40, 3919740997), (97, 1616388040), (131, 1196867480), (194, 808194020), (262, 598433740), (373, 420347560), (388, 404097010), (485, 323277608), (524, 299216870), (655, 239373496), (746, 210173780), (776, 202048505), (827, 189588440), (970, 161638804), (1048, 149608435), (1310, 119686748), (1492, 105086890), (1654, 94794220), (1865, 84069512), (1940, 80819402), (2620, 59843374), (2984, 52543445), (3308, 47397110), (3730, 42034756), (3880, 40409701), (4135, 37917688), (5240, 29921687), (6616, 23698555), (7460, 21017378), (8270, 18958844), (12707, 12338840), (14920, 10508689), (16540, 9479422), (25414, 6169420), (33080, 4739711), (36181, 4333480), (48863, 3208760), (50828, 3084710), (63535, 2467768), (72362, 2166740), (80219, 1954520), (97726, 1604380), (101656, 1542355), (108337, 1447240), (127070, 1233884), (144724, 1083370), (160438, 977260), (180905, 866696), (195452, 802190), (216674, 723620), (244315, 641752), (254140, 616942), (289448, 541685), (308471, 508280), (320876, 488630), (361810, 433348), (390904, 401095)]