155219480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9629}}^1$

素因数の和:9684

約数の個数: 64

約数和(自身を含む): 388281600

約数和(自身を除く): 233062120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 9629, 16120, 19258, 38516, 48145, 77032, 96290, 125177, 192580, 250354, 298499, 385160, 500708, 596998, 625885, 1001416, 1193996, 1251770, 1492495, 2387992, 2503540, 2984990, 3880487, 5007080, 5969980, 7760974, 11939960, 15521948, 19402435, 31043896, 38804870, 77609740, 155219480]

約数ペア:

[(1, 155219480), (2, 77609740), (4, 38804870), (5, 31043896), (8, 19402435), (10, 15521948), (13, 11939960), (20, 7760974), (26, 5969980), (31, 5007080), (40, 3880487), (52, 2984990), (62, 2503540), (65, 2387992), (104, 1492495), (124, 1251770), (130, 1193996), (155, 1001416), (248, 625885), (260, 596998), (310, 500708), (403, 385160), (520, 298499), (620, 250354), (806, 192580), (1240, 125177), (1612, 96290), (2015, 77032), (3224, 48145), (4030, 38516), (8060, 19258), (9629, 16120)]