30993880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{571}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 74131200

約数和(自身を除く): 43137320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 59, 92, 115, 118, 184, 230, 236, 295, 460, 472, 571, 590, 920, 1142, 1180, 1357, 2284, 2360, 2714, 2855, 4568, 5428, 5710, 6785, 10856, 11420, 13133, 13570, 22840, 26266, 27140, 33689, 52532, 54280, 65665, 67378, 105064, 131330, 134756, 168445, 262660, 269512, 336890, 525320, 673780, 774847, 1347560, 1549694, 3099388, 3874235, 6198776, 7748470, 15496940, 30993880]

約数ペア:

[(1, 30993880), (2, 15496940), (4, 7748470), (5, 6198776), (8, 3874235), (10, 3099388), (20, 1549694), (23, 1347560), (40, 774847), (46, 673780), (59, 525320), (92, 336890), (115, 269512), (118, 262660), (184, 168445), (230, 134756), (236, 131330), (295, 105064), (460, 67378), (472, 65665), (571, 54280), (590, 52532), (920, 33689), (1142, 27140), (1180, 26266), (1357, 22840), (2284, 13570), (2360, 13133), (2714, 11420), (2855, 10856), (4568, 6785), (5428, 5710)]