30554840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 72817920

約数和(自身を除く): 42263080

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 601, 620, 820, 1202, 1240, 1271, 1640, 2404, 2542, 3005, 4808, 5084, 6010, 6355, 10168, 12020, 12710, 18631, 24040, 24641, 25420, 37262, 49282, 50840, 74524, 93155, 98564, 123205, 149048, 186310, 197128, 246410, 372620, 492820, 745240, 763871, 985640, 1527742, 3055484, 3819355, 6110968, 7638710, 15277420, 30554840]

約数ペア:

[(1, 30554840), (2, 15277420), (4, 7638710), (5, 6110968), (8, 3819355), (10, 3055484), (20, 1527742), (31, 985640), (40, 763871), (41, 745240), (62, 492820), (82, 372620), (124, 246410), (155, 197128), (164, 186310), (205, 149048), (248, 123205), (310, 98564), (328, 93155), (410, 74524), (601, 50840), (620, 49282), (820, 37262), (1202, 25420), (1240, 24641), (1271, 24040), (1640, 18631), (2404, 12710), (2542, 12020), (3005, 10168), (4808, 6355), (5084, 6010)]