1809286960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1023

約数の個数: 120

約数和(自身を含む): 4588594704

約数和(自身を除く): 2779307744

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 163, 169, 208, 260, 326, 338, 520, 652, 676, 815, 821, 845, 1040, 1304, 1352, 1630, 1642, 1690, 2119, 2608, 2704, 3260, 3284, 3380, 4105, 4238, 6520, 6568, 6760, 8210, 8476, 10595, 10673, 13040, 13136, 13520, 16420, 16952, 21190, 21346, 27547, 32840, 33904, 42380, 42692, 53365, 55094, 65680, 84760, 85384, 106730, 110188, 133823, 137735, 138749, 169520, 170768, 213460, 220376, 267646, 275470, 277498, 426920, 440752, 535292, 550940, 554996, 669115, 693745, 853840, 1070584, 1101880, 1109992, 1338230, 1387490, 1739699, 2141168, 2203760, 2219984, 2676460, 2774980, 3479398, 5352920, 5549960, 6958796, 8698495, 10705840, 11099920, 13917592, 17396990, 22616087, 27835184, 34793980, 45232174, 69587960, 90464348, 113080435, 139175920, 180928696, 226160870, 361857392, 452321740, 904643480, 1809286960]

約数ペア:

[(1, 1809286960), (2, 904643480), (4, 452321740), (5, 361857392), (8, 226160870), (10, 180928696), (13, 139175920), (16, 113080435), (20, 90464348), (26, 69587960), (40, 45232174), (52, 34793980), (65, 27835184), (80, 22616087), (104, 17396990), (130, 13917592), (163, 11099920), (169, 10705840), (208, 8698495), (260, 6958796), (326, 5549960), (338, 5352920), (520, 3479398), (652, 2774980), (676, 2676460), (815, 2219984), (821, 2203760), (845, 2141168), (1040, 1739699), (1304, 1387490), (1352, 1338230), (1630, 1109992), (1642, 1101880), (1690, 1070584), (2119, 853840), (2608, 693745), (2704, 669115), (3260, 554996), (3284, 550940), (3380, 535292), (4105, 440752), (4238, 426920), (6520, 277498), (6568, 275470), (6760, 267646), (8210, 220376), (8476, 213460), (10595, 170768), (10673, 169520), (13040, 138749), (13136, 137735), (13520, 133823), (16420, 110188), (16952, 106730), (21190, 85384), (21346, 84760), (27547, 65680), (32840, 55094), (33904, 53365), (42380, 42692)]