90717160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 212544000

約数和(自身を除く): 121826840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 248, 298, 310, 491, 596, 620, 745, 982, 1192, 1240, 1490, 1964, 2455, 2980, 3928, 4619, 4910, 5960, 9238, 9820, 15221, 18476, 19640, 23095, 30442, 36952, 46190, 60884, 73159, 76105, 92380, 121768, 146318, 152210, 184760, 292636, 304420, 365795, 585272, 608840, 731590, 1463180, 2267929, 2926360, 4535858, 9071716, 11339645, 18143432, 22679290, 45358580, 90717160]

約数ペア:

[(1, 90717160), (2, 45358580), (4, 22679290), (5, 18143432), (8, 11339645), (10, 9071716), (20, 4535858), (31, 2926360), (40, 2267929), (62, 1463180), (124, 731590), (149, 608840), (155, 585272), (248, 365795), (298, 304420), (310, 292636), (491, 184760), (596, 152210), (620, 146318), (745, 121768), (982, 92380), (1192, 76105), (1240, 73159), (1490, 60884), (1964, 46190), (2455, 36952), (2980, 30442), (3928, 23095), (4619, 19640), (4910, 18476), (5960, 15221), (9238, 9820)]