78338640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{5351}}^1$

素因数の和:5428

約数の個数: 80

約数和(自身を含む): 246877056

約数和(自身を除く): 168538416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 5351, 7320, 10702, 14640, 16053, 21404, 26755, 32106, 42808, 53510, 64212, 80265, 85616, 107020, 128424, 160530, 214040, 256848, 321060, 326411, 428080, 642120, 652822, 979233, 1284240, 1305644, 1632055, 1958466, 2611288, 3264110, 3916932, 4896165, 5222576, 6528220, 7833864, 9792330, 13056440, 15667728, 19584660, 26112880, 39169320, 78338640]

約数ペア:

[(1, 78338640), (2, 39169320), (3, 26112880), (4, 19584660), (5, 15667728), (6, 13056440), (8, 9792330), (10, 7833864), (12, 6528220), (15, 5222576), (16, 4896165), (20, 3916932), (24, 3264110), (30, 2611288), (40, 1958466), (48, 1632055), (60, 1305644), (61, 1284240), (80, 979233), (120, 652822), (122, 642120), (183, 428080), (240, 326411), (244, 321060), (305, 256848), (366, 214040), (488, 160530), (610, 128424), (732, 107020), (915, 85616), (976, 80265), (1220, 64212), (1464, 53510), (1830, 42808), (2440, 32106), (2928, 26755), (3660, 21404), (4880, 16053), (5351, 14640), (7320, 10702)]