30465560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 41419240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 311, 316, 395, 620, 622, 632, 790, 1240, 1244, 1555, 1580, 2449, 2488, 3110, 3160, 4898, 6220, 9641, 9796, 12245, 12440, 19282, 19592, 24490, 24569, 38564, 48205, 48980, 49138, 77128, 96410, 97960, 98276, 122845, 192820, 196552, 245690, 385640, 491380, 761639, 982760, 1523278, 3046556, 3808195, 6093112, 7616390, 15232780, 30465560]

約数ペア:

[(1, 30465560), (2, 15232780), (4, 7616390), (5, 6093112), (8, 3808195), (10, 3046556), (20, 1523278), (31, 982760), (40, 761639), (62, 491380), (79, 385640), (124, 245690), (155, 196552), (158, 192820), (248, 122845), (310, 98276), (311, 97960), (316, 96410), (395, 77128), (620, 49138), (622, 48980), (632, 48205), (790, 38564), (1240, 24569), (1244, 24490), (1555, 19592), (1580, 19282), (2449, 12440), (2488, 12245), (3110, 9796), (3160, 9641), (4898, 6220)]