140541560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:552

約数の個数: 64

約数和(自身を含む): 324086400

約数和(自身を除く): 183544840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 239, 241, 244, 305, 478, 482, 488, 610, 956, 964, 1195, 1205, 1220, 1912, 1928, 2390, 2410, 2440, 4780, 4820, 9560, 9640, 14579, 14701, 29158, 29402, 57599, 58316, 58804, 72895, 73505, 115198, 116632, 117608, 145790, 147010, 230396, 287995, 291580, 294020, 460792, 575990, 583160, 588040, 1151980, 2303960, 3513539, 7027078, 14054156, 17567695, 28108312, 35135390, 70270780, 140541560]

約数ペア:

[(1, 140541560), (2, 70270780), (4, 35135390), (5, 28108312), (8, 17567695), (10, 14054156), (20, 7027078), (40, 3513539), (61, 2303960), (122, 1151980), (239, 588040), (241, 583160), (244, 575990), (305, 460792), (478, 294020), (482, 291580), (488, 287995), (610, 230396), (956, 147010), (964, 145790), (1195, 117608), (1205, 116632), (1220, 115198), (1912, 73505), (1928, 72895), (2390, 58804), (2410, 58316), (2440, 57599), (4780, 29402), (4820, 29158), (9560, 14701), (9640, 14579)]