990484080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1571}}^1$

素因数の和:1695

約数の個数: 160

約数和(自身を含む): 3199938048

約数和(自身を除く): 2209453968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 71, 74, 80, 111, 120, 142, 148, 185, 213, 222, 240, 284, 296, 355, 370, 426, 444, 555, 568, 592, 710, 740, 852, 888, 1065, 1110, 1136, 1420, 1480, 1571, 1704, 1776, 2130, 2220, 2627, 2840, 2960, 3142, 3408, 4260, 4440, 4713, 5254, 5680, 6284, 7855, 7881, 8520, 8880, 9426, 10508, 12568, 13135, 15710, 15762, 17040, 18852, 21016, 23565, 25136, 26270, 31420, 31524, 37704, 39405, 42032, 47130, 52540, 58127, 62840, 63048, 75408, 78810, 94260, 105080, 111541, 116254, 125680, 126096, 157620, 174381, 188520, 210160, 223082, 232508, 290635, 315240, 334623, 348762, 377040, 446164, 465016, 557705, 581270, 630480, 669246, 697524, 871905, 892328, 930032, 1115410, 1162540, 1338492, 1395048, 1673115, 1743810, 1784656, 2230820, 2325080, 2676984, 2790096, 3346230, 3487620, 4127017, 4461640, 4650160, 5353968, 6692460, 6975240, 8254034, 8923280, 12381051, 13384920, 13950480, 16508068, 20635085, 24762102, 26769840, 33016136, 41270170, 49524204, 61905255, 66032272, 82540340, 99048408, 123810510, 165080680, 198096816, 247621020, 330161360, 495242040, 990484080]

約数ペア:

[(1, 990484080), (2, 495242040), (3, 330161360), (4, 247621020), (5, 198096816), (6, 165080680), (8, 123810510), (10, 99048408), (12, 82540340), (15, 66032272), (16, 61905255), (20, 49524204), (24, 41270170), (30, 33016136), (37, 26769840), (40, 24762102), (48, 20635085), (60, 16508068), (71, 13950480), (74, 13384920), (80, 12381051), (111, 8923280), (120, 8254034), (142, 6975240), (148, 6692460), (185, 5353968), (213, 4650160), (222, 4461640), (240, 4127017), (284, 3487620), (296, 3346230), (355, 2790096), (370, 2676984), (426, 2325080), (444, 2230820), (555, 1784656), (568, 1743810), (592, 1673115), (710, 1395048), (740, 1338492), (852, 1162540), (888, 1115410), (1065, 930032), (1110, 892328), (1136, 871905), (1420, 697524), (1480, 669246), (1571, 630480), (1704, 581270), (1776, 557705), (2130, 465016), (2220, 446164), (2627, 377040), (2840, 348762), (2960, 334623), (3142, 315240), (3408, 290635), (4260, 232508), (4440, 223082), (4713, 210160), (5254, 188520), (5680, 174381), (6284, 157620), (7855, 126096), (7881, 125680), (8520, 116254), (8880, 111541), (9426, 105080), (10508, 94260), (12568, 78810), (13135, 75408), (15710, 63048), (15762, 62840), (17040, 58127), (18852, 52540), (21016, 47130), (23565, 42032), (25136, 39405), (26270, 37704), (31420, 31524)]