30860440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3491}}^1$

素因数の和:3532

約数の個数: 64

約数和(自身を含む): 79198560

約数和(自身を除く): 48338120

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 3491, 4420, 6982, 8840, 13964, 17455, 27928, 34910, 45383, 59347, 69820, 90766, 118694, 139640, 181532, 226915, 237388, 296735, 363064, 453830, 474776, 593470, 771511, 907660, 1186940, 1543022, 1815320, 2373880, 3086044, 3857555, 6172088, 7715110, 15430220, 30860440]

約数ペア:

[(1, 30860440), (2, 15430220), (4, 7715110), (5, 6172088), (8, 3857555), (10, 3086044), (13, 2373880), (17, 1815320), (20, 1543022), (26, 1186940), (34, 907660), (40, 771511), (52, 593470), (65, 474776), (68, 453830), (85, 363064), (104, 296735), (130, 237388), (136, 226915), (170, 181532), (221, 139640), (260, 118694), (340, 90766), (442, 69820), (520, 59347), (680, 45383), (884, 34910), (1105, 27928), (1768, 17455), (2210, 13964), (3491, 8840), (4420, 6982)]