156748840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{3907}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 379857600

約数和(自身を除く): 223108760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2360, 3907, 4012, 5015, 7814, 8024, 10030, 15628, 19535, 20060, 31256, 39070, 40120, 66419, 78140, 132838, 156280, 230513, 265676, 332095, 461026, 531352, 664190, 922052, 1152565, 1328380, 1844104, 2305130, 2656760, 3918721, 4610260, 7837442, 9220520, 15674884, 19593605, 31349768, 39187210, 78374420, 156748840]

約数ペア:

[(1, 156748840), (2, 78374420), (4, 39187210), (5, 31349768), (8, 19593605), (10, 15674884), (17, 9220520), (20, 7837442), (34, 4610260), (40, 3918721), (59, 2656760), (68, 2305130), (85, 1844104), (118, 1328380), (136, 1152565), (170, 922052), (236, 664190), (295, 531352), (340, 461026), (472, 332095), (590, 265676), (680, 230513), (1003, 156280), (1180, 132838), (2006, 78140), (2360, 66419), (3907, 40120), (4012, 39070), (5015, 31256), (7814, 20060), (8024, 19535), (10030, 15628)]