15585700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 38400320

約数和(自身を除く): 22814620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 631, 650, 950, 988, 1235, 1262, 1300, 1900, 2470, 2524, 3155, 4940, 6175, 6310, 8203, 11989, 12350, 12620, 15775, 16406, 23978, 24700, 31550, 32812, 41015, 47956, 59945, 63100, 82030, 119890, 155857, 164060, 205075, 239780, 299725, 311714, 410150, 599450, 623428, 779285, 820300, 1198900, 1558570, 3117140, 3896425, 7792850, 15585700]

約数ペア:

[(1, 15585700), (2, 7792850), (4, 3896425), (5, 3117140), (10, 1558570), (13, 1198900), (19, 820300), (20, 779285), (25, 623428), (26, 599450), (38, 410150), (50, 311714), (52, 299725), (65, 239780), (76, 205075), (95, 164060), (100, 155857), (130, 119890), (190, 82030), (247, 63100), (260, 59945), (325, 47956), (380, 41015), (475, 32812), (494, 31550), (631, 24700), (650, 23978), (950, 16406), (988, 15775), (1235, 12620), (1262, 12350), (1300, 11989), (1900, 8203), (2470, 6310), (2524, 6175), (3155, 4940)]