51271440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19421}}^1$

素因数の和:19448

約数の個数: 80

約数和(自身を含む): 173399616

約数和(自身を除く): 122128176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 19421, 38842, 58263, 77684, 97105, 116526, 155368, 194210, 213631, 233052, 291315, 310736, 388420, 427262, 466104, 582630, 640893, 776840, 854524, 932208, 1068155, 1165260, 1281786, 1553680, 1709048, 2136310, 2330520, 2563572, 3204465, 3418096, 4272620, 4661040, 5127144, 6408930, 8545240, 10254288, 12817860, 17090480, 25635720, 51271440]

約数ペア:

[(1, 51271440), (2, 25635720), (3, 17090480), (4, 12817860), (5, 10254288), (6, 8545240), (8, 6408930), (10, 5127144), (11, 4661040), (12, 4272620), (15, 3418096), (16, 3204465), (20, 2563572), (22, 2330520), (24, 2136310), (30, 1709048), (33, 1553680), (40, 1281786), (44, 1165260), (48, 1068155), (55, 932208), (60, 854524), (66, 776840), (80, 640893), (88, 582630), (110, 466104), (120, 427262), (132, 388420), (165, 310736), (176, 291315), (220, 233052), (240, 213631), (264, 194210), (330, 155368), (440, 116526), (528, 97105), (660, 77684), (880, 58263), (1320, 38842), (2640, 19421)]