27928960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 71395920

約数和(自身を除く): 43466960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 151, 160, 170, 272, 289, 302, 320, 340, 544, 578, 604, 640, 680, 755, 1088, 1156, 1208, 1360, 1445, 1510, 2176, 2312, 2416, 2567, 2720, 2890, 3020, 4624, 4832, 5134, 5440, 5780, 6040, 9248, 9664, 10268, 10880, 11560, 12080, 12835, 18496, 19328, 20536, 23120, 24160, 25670, 36992, 41072, 43639, 46240, 48320, 51340, 82144, 87278, 92480, 96640, 102680, 164288, 174556, 184960, 205360, 218195, 328576, 349112, 410720, 436390, 698224, 821440, 872780, 1396448, 1642880, 1745560, 2792896, 3491120, 5585792, 6982240, 13964480, 27928960]

約数ペア:

[(1, 27928960), (2, 13964480), (4, 6982240), (5, 5585792), (8, 3491120), (10, 2792896), (16, 1745560), (17, 1642880), (20, 1396448), (32, 872780), (34, 821440), (40, 698224), (64, 436390), (68, 410720), (80, 349112), (85, 328576), (128, 218195), (136, 205360), (151, 184960), (160, 174556), (170, 164288), (272, 102680), (289, 96640), (302, 92480), (320, 87278), (340, 82144), (544, 51340), (578, 48320), (604, 46240), (640, 43639), (680, 41072), (755, 36992), (1088, 25670), (1156, 24160), (1208, 23120), (1360, 20536), (1445, 19328), (1510, 18496), (2176, 12835), (2312, 12080), (2416, 11560), (2567, 10880), (2720, 10268), (2890, 9664), (3020, 9248), (4624, 6040), (4832, 5780), (5134, 5440)]