64807360

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:234

約数の個数: 112

約数和(自身を含む): 163860480

約数和(自身を除く): 99053120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 64, 80, 94, 124, 139, 155, 160, 188, 235, 248, 278, 310, 320, 376, 470, 496, 556, 620, 695, 752, 940, 992, 1112, 1240, 1390, 1457, 1504, 1880, 1984, 2224, 2480, 2780, 2914, 3008, 3760, 4309, 4448, 4960, 5560, 5828, 6533, 7285, 7520, 8618, 8896, 9920, 11120, 11656, 13066, 14570, 15040, 17236, 21545, 22240, 23312, 26132, 29140, 32665, 34472, 43090, 44480, 46624, 52264, 58280, 65330, 68944, 86180, 93248, 104528, 116560, 130660, 137888, 172360, 202523, 209056, 233120, 261320, 275776, 344720, 405046, 418112, 466240, 522640, 689440, 810092, 1012615, 1045280, 1378880, 1620184, 2025230, 2090560, 3240368, 4050460, 6480736, 8100920, 12961472, 16201840, 32403680, 64807360]

約数ペア:

[(1, 64807360), (2, 32403680), (4, 16201840), (5, 12961472), (8, 8100920), (10, 6480736), (16, 4050460), (20, 3240368), (31, 2090560), (32, 2025230), (40, 1620184), (47, 1378880), (62, 1045280), (64, 1012615), (80, 810092), (94, 689440), (124, 522640), (139, 466240), (155, 418112), (160, 405046), (188, 344720), (235, 275776), (248, 261320), (278, 233120), (310, 209056), (320, 202523), (376, 172360), (470, 137888), (496, 130660), (556, 116560), (620, 104528), (695, 93248), (752, 86180), (940, 68944), (992, 65330), (1112, 58280), (1240, 52264), (1390, 46624), (1457, 44480), (1504, 43090), (1880, 34472), (1984, 32665), (2224, 29140), (2480, 26132), (2780, 23312), (2914, 22240), (3008, 21545), (3760, 17236), (4309, 15040), (4448, 14570), (4960, 13066), (5560, 11656), (5828, 11120), (6533, 9920), (7285, 8896), (7520, 8618)]