82916640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:903

約数の個数: 144

約数和(自身を含む): 287292096

約数和(自身を除く): 204375456

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 213, 240, 284, 288, 355, 360, 426, 480, 568, 639, 710, 720, 811, 852, 1065, 1136, 1278, 1420, 1440, 1622, 1704, 2130, 2272, 2433, 2556, 2840, 3195, 3244, 3408, 4055, 4260, 4866, 5112, 5680, 6390, 6488, 6816, 7299, 8110, 8520, 9732, 10224, 11360, 12165, 12780, 12976, 14598, 16220, 17040, 19464, 20448, 24330, 25560, 25952, 29196, 32440, 34080, 36495, 38928, 48660, 51120, 57581, 58392, 64880, 72990, 77856, 97320, 102240, 115162, 116784, 129760, 145980, 172743, 194640, 230324, 233568, 287905, 291960, 345486, 389280, 460648, 518229, 575810, 583920, 690972, 863715, 921296, 1036458, 1151620, 1167840, 1381944, 1727430, 1842592, 2072916, 2303240, 2591145, 2763888, 3454860, 4145832, 4606480, 5182290, 5527776, 6909720, 8291664, 9212960, 10364580, 13819440, 16583328, 20729160, 27638880, 41458320, 82916640]

約数ペア:

[(1, 82916640), (2, 41458320), (3, 27638880), (4, 20729160), (5, 16583328), (6, 13819440), (8, 10364580), (9, 9212960), (10, 8291664), (12, 6909720), (15, 5527776), (16, 5182290), (18, 4606480), (20, 4145832), (24, 3454860), (30, 2763888), (32, 2591145), (36, 2303240), (40, 2072916), (45, 1842592), (48, 1727430), (60, 1381944), (71, 1167840), (72, 1151620), (80, 1036458), (90, 921296), (96, 863715), (120, 690972), (142, 583920), (144, 575810), (160, 518229), (180, 460648), (213, 389280), (240, 345486), (284, 291960), (288, 287905), (355, 233568), (360, 230324), (426, 194640), (480, 172743), (568, 145980), (639, 129760), (710, 116784), (720, 115162), (811, 102240), (852, 97320), (1065, 77856), (1136, 72990), (1278, 64880), (1420, 58392), (1440, 57581), (1622, 51120), (1704, 48660), (2130, 38928), (2272, 36495), (2433, 34080), (2556, 32440), (2840, 29196), (3195, 25952), (3244, 25560), (3408, 24330), (4055, 20448), (4260, 19464), (4866, 17040), (5112, 16220), (5680, 14598), (6390, 12976), (6488, 12780), (6816, 12165), (7299, 11360), (8110, 10224), (8520, 9732)]