51215700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2161}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 150129280

約数和(自身を除く): 98913580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 79, 100, 150, 158, 237, 300, 316, 395, 474, 790, 948, 1185, 1580, 1975, 2161, 2370, 3950, 4322, 4740, 5925, 6483, 7900, 8644, 10805, 11850, 12966, 21610, 23700, 25932, 32415, 43220, 54025, 64830, 108050, 129660, 162075, 170719, 216100, 324150, 341438, 512157, 648300, 682876, 853595, 1024314, 1707190, 2048628, 2560785, 3414380, 4267975, 5121570, 8535950, 10243140, 12803925, 17071900, 25607850, 51215700]

約数ペア:

[(1, 51215700), (2, 25607850), (3, 17071900), (4, 12803925), (5, 10243140), (6, 8535950), (10, 5121570), (12, 4267975), (15, 3414380), (20, 2560785), (25, 2048628), (30, 1707190), (50, 1024314), (60, 853595), (75, 682876), (79, 648300), (100, 512157), (150, 341438), (158, 324150), (237, 216100), (300, 170719), (316, 162075), (395, 129660), (474, 108050), (790, 64830), (948, 54025), (1185, 43220), (1580, 32415), (1975, 25932), (2161, 23700), (2370, 21610), (3950, 12966), (4322, 11850), (4740, 10805), (5925, 8644), (6483, 7900)]