155348440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 406425600

約数和(自身を除く): 251077160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 31, 40, 46, 52, 62, 65, 92, 104, 115, 124, 130, 155, 184, 230, 248, 260, 299, 310, 403, 419, 460, 520, 598, 620, 713, 806, 838, 920, 1196, 1240, 1426, 1495, 1612, 1676, 2015, 2095, 2392, 2852, 2990, 3224, 3352, 3565, 4030, 4190, 5447, 5704, 5980, 7130, 8060, 8380, 9269, 9637, 10894, 11960, 12989, 14260, 16120, 16760, 18538, 19274, 21788, 25978, 27235, 28520, 37076, 38548, 43576, 46345, 48185, 51956, 54470, 64945, 74152, 77096, 92690, 96370, 103912, 108940, 125281, 129890, 168857, 185380, 192740, 217880, 250562, 259780, 298747, 337714, 370760, 385480, 501124, 519560, 597494, 626405, 675428, 844285, 1002248, 1194988, 1252810, 1350856, 1493735, 1688570, 2389976, 2505620, 2987470, 3377140, 3883711, 5011240, 5974940, 6754280, 7767422, 11949880, 15534844, 19418555, 31069688, 38837110, 77674220, 155348440]

約数ペア:

[(1, 155348440), (2, 77674220), (4, 38837110), (5, 31069688), (8, 19418555), (10, 15534844), (13, 11949880), (20, 7767422), (23, 6754280), (26, 5974940), (31, 5011240), (40, 3883711), (46, 3377140), (52, 2987470), (62, 2505620), (65, 2389976), (92, 1688570), (104, 1493735), (115, 1350856), (124, 1252810), (130, 1194988), (155, 1002248), (184, 844285), (230, 675428), (248, 626405), (260, 597494), (299, 519560), (310, 501124), (403, 385480), (419, 370760), (460, 337714), (520, 298747), (598, 259780), (620, 250562), (713, 217880), (806, 192740), (838, 185380), (920, 168857), (1196, 129890), (1240, 125281), (1426, 108940), (1495, 103912), (1612, 96370), (1676, 92690), (2015, 77096), (2095, 74152), (2392, 64945), (2852, 54470), (2990, 51956), (3224, 48185), (3352, 46345), (3565, 43576), (4030, 38548), (4190, 37076), (5447, 28520), (5704, 27235), (5980, 25978), (7130, 21788), (8060, 19274), (8380, 18538), (9269, 16760), (9637, 16120), (10894, 14260), (11960, 12989)]