864157040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{739}}^1$

素因数の和:1110

約数の個数: 80

約数和(自身を含む): 2061296640

約数和(自身を除く): 1197139600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 311, 376, 470, 622, 739, 752, 940, 1244, 1478, 1555, 1880, 2488, 2956, 3110, 3695, 3760, 4976, 5912, 6220, 7390, 11824, 12440, 14617, 14780, 24880, 29234, 29560, 34733, 58468, 59120, 69466, 73085, 116936, 138932, 146170, 173665, 229829, 233872, 277864, 292340, 347330, 459658, 555728, 584680, 694660, 919316, 1149145, 1169360, 1389320, 1838632, 2298290, 2778640, 3677264, 4596580, 9193160, 10801963, 18386320, 21603926, 43207852, 54009815, 86415704, 108019630, 172831408, 216039260, 432078520, 864157040]

約数ペア:

[(1, 864157040), (2, 432078520), (4, 216039260), (5, 172831408), (8, 108019630), (10, 86415704), (16, 54009815), (20, 43207852), (40, 21603926), (47, 18386320), (80, 10801963), (94, 9193160), (188, 4596580), (235, 3677264), (311, 2778640), (376, 2298290), (470, 1838632), (622, 1389320), (739, 1169360), (752, 1149145), (940, 919316), (1244, 694660), (1478, 584680), (1555, 555728), (1880, 459658), (2488, 347330), (2956, 292340), (3110, 277864), (3695, 233872), (3760, 229829), (4976, 173665), (5912, 146170), (6220, 138932), (7390, 116936), (11824, 73085), (12440, 69466), (14617, 59120), (14780, 58468), (24880, 34733), (29234, 29560)]