81197480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22307}}^1$

素因数の和:22338

約数の個数: 64

約数和(自身を含む): 224864640

約数和(自身を除く): 143667160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 22307, 44614, 89228, 111535, 156149, 178456, 223070, 289991, 312298, 446140, 579982, 624596, 780745, 892280, 1159964, 1249192, 1449955, 1561490, 2029937, 2319928, 2899910, 3122980, 4059874, 5799820, 6245960, 8119748, 10149685, 11599640, 16239496, 20299370, 40598740, 81197480]

約数ペア:

[(1, 81197480), (2, 40598740), (4, 20299370), (5, 16239496), (7, 11599640), (8, 10149685), (10, 8119748), (13, 6245960), (14, 5799820), (20, 4059874), (26, 3122980), (28, 2899910), (35, 2319928), (40, 2029937), (52, 1561490), (56, 1449955), (65, 1249192), (70, 1159964), (91, 892280), (104, 780745), (130, 624596), (140, 579982), (182, 446140), (260, 312298), (280, 289991), (364, 223070), (455, 178456), (520, 156149), (728, 111535), (910, 89228), (1820, 44614), (3640, 22307)]