15238980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 72

約数和(自身を含む): 47733504

約数和(自身を除く): 32494524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2731, 2790, 5462, 5580, 8193, 10924, 13655, 16386, 24579, 27310, 32772, 40965, 49158, 54620, 81930, 84661, 98316, 122895, 163860, 169322, 245790, 253983, 338644, 423305, 491580, 507966, 761949, 846610, 1015932, 1269915, 1523898, 1693220, 2539830, 3047796, 3809745, 5079660, 7619490, 15238980]

約数ペア:

[(1, 15238980), (2, 7619490), (3, 5079660), (4, 3809745), (5, 3047796), (6, 2539830), (9, 1693220), (10, 1523898), (12, 1269915), (15, 1015932), (18, 846610), (20, 761949), (30, 507966), (31, 491580), (36, 423305), (45, 338644), (60, 253983), (62, 245790), (90, 169322), (93, 163860), (124, 122895), (155, 98316), (180, 84661), (186, 81930), (279, 54620), (310, 49158), (372, 40965), (465, 32772), (558, 27310), (620, 24579), (930, 16386), (1116, 13655), (1395, 10924), (1860, 8193), (2731, 5580), (2790, 5462)]