128469840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{5197}}^1$

素因数の和:5316

約数の個数: 80

約数和(自身を含む): 402200448

約数和(自身を除く): 273730608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 103, 120, 206, 240, 309, 412, 515, 618, 824, 1030, 1236, 1545, 1648, 2060, 2472, 3090, 4120, 4944, 5197, 6180, 8240, 10394, 12360, 15591, 20788, 24720, 25985, 31182, 41576, 51970, 62364, 77955, 83152, 103940, 124728, 155910, 207880, 249456, 311820, 415760, 535291, 623640, 1070582, 1247280, 1605873, 2141164, 2676455, 3211746, 4282328, 5352910, 6423492, 8029365, 8564656, 10705820, 12846984, 16058730, 21411640, 25693968, 32117460, 42823280, 64234920, 128469840]

約数ペア:

[(1, 128469840), (2, 64234920), (3, 42823280), (4, 32117460), (5, 25693968), (6, 21411640), (8, 16058730), (10, 12846984), (12, 10705820), (15, 8564656), (16, 8029365), (20, 6423492), (24, 5352910), (30, 4282328), (40, 3211746), (48, 2676455), (60, 2141164), (80, 1605873), (103, 1247280), (120, 1070582), (206, 623640), (240, 535291), (309, 415760), (412, 311820), (515, 249456), (618, 207880), (824, 155910), (1030, 124728), (1236, 103940), (1545, 83152), (1648, 77955), (2060, 62364), (2472, 51970), (3090, 41576), (4120, 31182), (4944, 25985), (5197, 24720), (6180, 20788), (8240, 15591), (10394, 12360)]