840278640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{2687}}^1$

素因数の和:4006

約数の個数: 80

約数和(自身を含む): 2607833088

約数和(自身を除く): 1767554448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1303, 2606, 2687, 3909, 5212, 5374, 6515, 7818, 8061, 10424, 10748, 13030, 13435, 15636, 16122, 19545, 20848, 21496, 26060, 26870, 31272, 32244, 39090, 40305, 42992, 52120, 53740, 62544, 64488, 78180, 80610, 104240, 107480, 128976, 156360, 161220, 214960, 312720, 322440, 644880, 3501161, 7002322, 10503483, 14004644, 17505805, 21006966, 28009288, 35011610, 42013932, 52517415, 56018576, 70023220, 84027864, 105034830, 140046440, 168055728, 210069660, 280092880, 420139320, 840278640]

約数ペア:

[(1, 840278640), (2, 420139320), (3, 280092880), (4, 210069660), (5, 168055728), (6, 140046440), (8, 105034830), (10, 84027864), (12, 70023220), (15, 56018576), (16, 52517415), (20, 42013932), (24, 35011610), (30, 28009288), (40, 21006966), (48, 17505805), (60, 14004644), (80, 10503483), (120, 7002322), (240, 3501161), (1303, 644880), (2606, 322440), (2687, 312720), (3909, 214960), (5212, 161220), (5374, 156360), (6515, 128976), (7818, 107480), (8061, 104240), (10424, 80610), (10748, 78180), (13030, 64488), (13435, 62544), (15636, 53740), (16122, 52120), (19545, 42992), (20848, 40305), (21496, 39090), (26060, 32244), (26870, 31272)]