156967880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 368409600

約数和(自身を除く): 211441720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1229, 1240, 2060, 2458, 3193, 4120, 4916, 6145, 6386, 9832, 12290, 12772, 15965, 24580, 25544, 31930, 38099, 49160, 63860, 76198, 126587, 127720, 152396, 190495, 253174, 304792, 380990, 506348, 632935, 761980, 1012696, 1265870, 1523960, 2531740, 3924197, 5063480, 7848394, 15696788, 19620985, 31393576, 39241970, 78483940, 156967880]

約数ペア:

[(1, 156967880), (2, 78483940), (4, 39241970), (5, 31393576), (8, 19620985), (10, 15696788), (20, 7848394), (31, 5063480), (40, 3924197), (62, 2531740), (103, 1523960), (124, 1265870), (155, 1012696), (206, 761980), (248, 632935), (310, 506348), (412, 380990), (515, 304792), (620, 253174), (824, 190495), (1030, 152396), (1229, 127720), (1240, 126587), (2060, 76198), (2458, 63860), (3193, 49160), (4120, 38099), (4916, 31930), (6145, 25544), (6386, 24580), (9832, 15965), (12290, 12772)]