1520402235965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1\times {\mathrm{829}}^1$

素因数の和:2354

約数の個数: 64

約数和(自身を含む): 1986817533120

約数和(自身を除く): 466415297155

約数列:

[1, 5, 17, 41, 85, 205, 641, 697, 821, 829, 3205, 3485, 4105, 4145, 10897, 13957, 14093, 26281, 33661, 33989, 54485, 69785, 70465, 131405, 168305, 169945, 446777, 526261, 531389, 572237, 577813, 680609, 2233885, 2631305, 2656945, 2861185, 2889065, 3403045, 8946437, 9033613, 11570353, 21576701, 21786949, 27904969, 44732185, 45168065, 57851765, 107883505, 108934745, 139524845, 366803917, 370378133, 436270369, 474384473, 1834019585, 1851890665, 2181351845, 2371922365, 7416596273, 17887085129, 37082981365, 89435425645, 304080447193, 1520402235965]

約数ペア:

[(1, 1520402235965), (5, 304080447193), (17, 89435425645), (41, 37082981365), (85, 17887085129), (205, 7416596273), (641, 2371922365), (697, 2181351845), (821, 1851890665), (829, 1834019585), (3205, 474384473), (3485, 436270369), (4105, 370378133), (4145, 366803917), (10897, 139524845), (13957, 108934745), (14093, 107883505), (26281, 57851765), (33661, 45168065), (33989, 44732185), (54485, 27904969), (69785, 21786949), (70465, 21576701), (131405, 11570353), (168305, 9033613), (169945, 8946437), (446777, 3403045), (526261, 2889065), (531389, 2861185), (572237, 2656945), (577813, 2631305), (680609, 2233885)]