741520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 80

約数和(自身を含む): 1999872

約数和(自身を除く): 1258352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 31, 40, 46, 52, 62, 65, 80, 92, 104, 115, 124, 130, 155, 184, 208, 230, 248, 260, 299, 310, 368, 403, 460, 496, 520, 598, 620, 713, 806, 920, 1040, 1196, 1240, 1426, 1495, 1612, 1840, 2015, 2392, 2480, 2852, 2990, 3224, 3565, 4030, 4784, 5704, 5980, 6448, 7130, 8060, 9269, 11408, 11960, 14260, 16120, 18538, 23920, 28520, 32240, 37076, 46345, 57040, 74152, 92690, 148304, 185380, 370760, 741520]

約数ペア:

[(1, 741520), (2, 370760), (4, 185380), (5, 148304), (8, 92690), (10, 74152), (13, 57040), (16, 46345), (20, 37076), (23, 32240), (26, 28520), (31, 23920), (40, 18538), (46, 16120), (52, 14260), (62, 11960), (65, 11408), (80, 9269), (92, 8060), (104, 7130), (115, 6448), (124, 5980), (130, 5704), (155, 4784), (184, 4030), (208, 3565), (230, 3224), (248, 2990), (260, 2852), (299, 2480), (310, 2392), (368, 2015), (403, 1840), (460, 1612), (496, 1495), (520, 1426), (598, 1240), (620, 1196), (713, 1040), (806, 920)]