131819760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{821}}^1$

素因数の和:1063

約数の個数: 120

約数和(自身を含む): 445221504

約数和(自身を除く): 313401744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 669, 720, 821, 892, 1115, 1338, 1642, 1784, 2007, 2230, 2463, 2676, 3284, 3345, 3568, 4014, 4105, 4460, 4926, 5352, 6568, 6690, 7389, 8028, 8210, 8920, 9852, 10035, 10704, 12315, 13136, 13380, 14778, 16056, 16420, 17840, 19704, 20070, 24630, 26760, 29556, 32112, 32840, 36945, 39408, 40140, 49260, 53520, 59112, 65680, 73890, 80280, 98520, 118224, 147780, 160560, 183083, 197040, 295560, 366166, 549249, 591120, 732332, 915415, 1098498, 1464664, 1647747, 1830830, 2196996, 2746245, 2929328, 3295494, 3661660, 4393992, 5492490, 6590988, 7323320, 8238735, 8787984, 10984980, 13181976, 14646640, 16477470, 21969960, 26363952, 32954940, 43939920, 65909880, 131819760]

約数ペア:

[(1, 131819760), (2, 65909880), (3, 43939920), (4, 32954940), (5, 26363952), (6, 21969960), (8, 16477470), (9, 14646640), (10, 13181976), (12, 10984980), (15, 8787984), (16, 8238735), (18, 7323320), (20, 6590988), (24, 5492490), (30, 4393992), (36, 3661660), (40, 3295494), (45, 2929328), (48, 2746245), (60, 2196996), (72, 1830830), (80, 1647747), (90, 1464664), (120, 1098498), (144, 915415), (180, 732332), (223, 591120), (240, 549249), (360, 366166), (446, 295560), (669, 197040), (720, 183083), (821, 160560), (892, 147780), (1115, 118224), (1338, 98520), (1642, 80280), (1784, 73890), (2007, 65680), (2230, 59112), (2463, 53520), (2676, 49260), (3284, 40140), (3345, 39408), (3568, 36945), (4014, 32840), (4105, 32112), (4460, 29556), (4926, 26760), (5352, 24630), (6568, 20070), (6690, 19704), (7389, 17840), (8028, 16420), (8210, 16056), (8920, 14778), (9852, 13380), (10035, 13136), (10704, 12315)]