1256914260

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:708

約数の個数: 240

約数和(自身を含む): 4533957120

約数和(自身を除く): 3277042860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 252, 270, 271, 315, 324, 378, 405, 409, 420, 540, 542, 567, 630, 756, 810, 813, 818, 945, 1084, 1134, 1227, 1260, 1355, 1620, 1626, 1636, 1890, 1897, 2045, 2268, 2439, 2454, 2710, 2835, 2863, 3252, 3681, 3780, 3794, 4065, 4090, 4878, 4908, 5420, 5670, 5691, 5726, 6135, 7317, 7362, 7588, 8130, 8180, 8589, 9485, 9756, 11043, 11340, 11382, 11452, 12195, 12270, 14315, 14634, 14724, 16260, 17073, 17178, 18405, 18970, 21951, 22086, 22764, 24390, 24540, 25767, 28455, 28630, 29268, 33129, 34146, 34356, 36585, 36810, 37940, 42945, 43902, 44172, 48780, 51219, 51534, 55215, 56910, 57260, 66258, 68292, 73170, 73620, 77301, 85365, 85890, 87804, 102438, 103068, 109755, 110430, 110839, 113820, 128835, 132516, 146340, 153657, 154602, 165645, 170730, 171780, 204876, 219510, 220860, 221678, 231903, 256095, 257670, 307314, 309204, 331290, 332517, 341460, 386505, 439020, 443356, 463806, 512190, 515340, 554195, 614628, 662580, 665034, 768285, 773010, 775873, 927612, 997551, 1024380, 1108390, 1159515, 1330068, 1536570, 1546020, 1551746, 1662585, 1995102, 2216780, 2319030, 2327619, 2992653, 3073140, 3103492, 3325170, 3879365, 3990204, 4638060, 4655238, 4987755, 5985306, 6650340, 6982857, 7758730, 8977959, 9310476, 9975510, 11638095, 11970612, 13965714, 14963265, 15517460, 17955918, 19951020, 20948571, 23276190, 27931428, 29926530, 34914285, 35911836, 41897142, 44889795, 46552380, 59853060, 62845713, 69828570, 83794284, 89779590, 104742855, 125691426, 139657140, 179559180, 209485710, 251382852, 314228565, 418971420, 628457130, 1256914260]

約数ペア:

[(1, 1256914260), (2, 628457130), (3, 418971420), (4, 314228565), (5, 251382852), (6, 209485710), (7, 179559180), (9, 139657140), (10, 125691426), (12, 104742855), (14, 89779590), (15, 83794284), (18, 69828570), (20, 62845713), (21, 59853060), (27, 46552380), (28, 44889795), (30, 41897142), (35, 35911836), (36, 34914285), (42, 29926530), (45, 27931428), (54, 23276190), (60, 20948571), (63, 19951020), (70, 17955918), (81, 15517460), (84, 14963265), (90, 13965714), (105, 11970612), (108, 11638095), (126, 9975510), (135, 9310476), (140, 8977959), (162, 7758730), (180, 6982857), (189, 6650340), (210, 5985306), (252, 4987755), (270, 4655238), (271, 4638060), (315, 3990204), (324, 3879365), (378, 3325170), (405, 3103492), (409, 3073140), (420, 2992653), (540, 2327619), (542, 2319030), (567, 2216780), (630, 1995102), (756, 1662585), (810, 1551746), (813, 1546020), (818, 1536570), (945, 1330068), (1084, 1159515), (1134, 1108390), (1227, 1024380), (1260, 997551), (1355, 927612), (1620, 775873), (1626, 773010), (1636, 768285), (1890, 665034), (1897, 662580), (2045, 614628), (2268, 554195), (2439, 515340), (2454, 512190), (2710, 463806), (2835, 443356), (2863, 439020), (3252, 386505), (3681, 341460), (3780, 332517), (3794, 331290), (4065, 309204), (4090, 307314), (4878, 257670), (4908, 256095), (5420, 231903), (5670, 221678), (5691, 220860), (5726, 219510), (6135, 204876), (7317, 171780), (7362, 170730), (7588, 165645), (8130, 154602), (8180, 153657), (8589, 146340), (9485, 132516), (9756, 128835), (11043, 113820), (11340, 110839), (11382, 110430), (11452, 109755), (12195, 103068), (12270, 102438), (14315, 87804), (14634, 85890), (14724, 85365), (16260, 77301), (17073, 73620), (17178, 73170), (18405, 68292), (18970, 66258), (21951, 57260), (22086, 56910), (22764, 55215), (24390, 51534), (24540, 51219), (25767, 48780), (28455, 44172), (28630, 43902), (29268, 42945), (33129, 37940), (34146, 36810), (34356, 36585)]