131616080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 320646144

約数和(自身を除く): 189030064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 73, 80, 124, 146, 155, 248, 292, 310, 365, 496, 584, 620, 727, 730, 1168, 1240, 1454, 1460, 2263, 2480, 2908, 2920, 3635, 4526, 5816, 5840, 7270, 9052, 11315, 11632, 14540, 18104, 22537, 22630, 29080, 36208, 45074, 45260, 53071, 58160, 90148, 90520, 106142, 112685, 180296, 181040, 212284, 225370, 265355, 360592, 424568, 450740, 530710, 849136, 901480, 1061420, 1645201, 1802960, 2122840, 3290402, 4245680, 6580804, 8226005, 13161608, 16452010, 26323216, 32904020, 65808040, 131616080]

約数ペア:

[(1, 131616080), (2, 65808040), (4, 32904020), (5, 26323216), (8, 16452010), (10, 13161608), (16, 8226005), (20, 6580804), (31, 4245680), (40, 3290402), (62, 2122840), (73, 1802960), (80, 1645201), (124, 1061420), (146, 901480), (155, 849136), (248, 530710), (292, 450740), (310, 424568), (365, 360592), (496, 265355), (584, 225370), (620, 212284), (727, 181040), (730, 180296), (1168, 112685), (1240, 106142), (1454, 90520), (1460, 90148), (2263, 58160), (2480, 53071), (2908, 45260), (2920, 45074), (3635, 36208), (4526, 29080), (5816, 22630), (5840, 22537), (7270, 18104), (9052, 14540), (11315, 11632)]