1290492786180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{80789}}^1\times {\mathrm{20479}}^1$

素因数の和:101293

約数の個数: 96

約数和(自身を含む): 3891570278400

約数和(自身を除く): 2601077492220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20479, 40958, 61437, 80789, 81916, 102395, 122874, 161578, 204790, 242367, 245748, 266227, 307185, 323156, 403945, 409580, 484734, 532454, 614370, 798681, 807890, 969468, 1050257, 1064908, 1211835, 1228740, 1331135, 1597362, 1615780, 2100514, 2423670, 2662270, 3150771, 3194724, 3993405, 4201028, 4847340, 5251285, 5324540, 6301542, 7986810, 10502570, 12603084, 15753855, 15973620, 21005140, 31507710, 63015420, 1654477931, 3308955862, 4963433793, 6617911724, 8272389655, 9926867586, 16544779310, 19853735172, 21508213103, 24817168965, 33089558620, 43016426206, 49634337930, 64524639309, 86032852412, 99268675860, 107541065515, 129049278618, 215082131030, 258098557236, 322623196545, 430164262060, 645246393090, 1290492786180]

約数ペア:

[(1, 1290492786180), (2, 645246393090), (3, 430164262060), (4, 322623196545), (5, 258098557236), (6, 215082131030), (10, 129049278618), (12, 107541065515), (13, 99268675860), (15, 86032852412), (20, 64524639309), (26, 49634337930), (30, 43016426206), (39, 33089558620), (52, 24817168965), (60, 21508213103), (65, 19853735172), (78, 16544779310), (130, 9926867586), (156, 8272389655), (195, 6617911724), (260, 4963433793), (390, 3308955862), (780, 1654477931), (20479, 63015420), (40958, 31507710), (61437, 21005140), (80789, 15973620), (81916, 15753855), (102395, 12603084), (122874, 10502570), (161578, 7986810), (204790, 6301542), (242367, 5324540), (245748, 5251285), (266227, 4847340), (307185, 4201028), (323156, 3993405), (403945, 3194724), (409580, 3150771), (484734, 2662270), (532454, 2423670), (614370, 2100514), (798681, 1615780), (807890, 1597362), (969468, 1331135), (1050257, 1228740), (1064908, 1211835)]