648875280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{26249}}^1$

素因数の和:26368

約数の個数: 80

約数和(自身を含む): 2031120000

約数和(自身を除く): 1382244720

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, 6180, 8240, 12360, 24720, 26249, 52498, 78747, 104996, 131245, 157494, 209992, 262490, 314988, 393735, 419984, 524980, 629976, 787470, 1049960, 1259952, 1574940, 2099920, 2703647, 3149880, 5407294, 6299760, 8110941, 10814588, 13518235, 16221882, 21629176, 27036470, 32443764, 40554705, 43258352, 54072940, 64887528, 81109410, 108145880, 129775056, 162218820, 216291760, 324437640, 648875280]

約数ペア:

[(1, 648875280), (2, 324437640), (3, 216291760), (4, 162218820), (5, 129775056), (6, 108145880), (8, 81109410), (10, 64887528), (12, 54072940), (15, 43258352), (16, 40554705), (20, 32443764), (24, 27036470), (30, 21629176), (40, 16221882), (48, 13518235), (60, 10814588), (80, 8110941), (103, 6299760), (120, 5407294), (206, 3149880), (240, 2703647), (309, 2099920), (412, 1574940), (515, 1259952), (618, 1049960), (824, 787470), (1030, 629976), (1236, 524980), (1545, 419984), (1648, 393735), (2060, 314988), (2472, 262490), (3090, 209992), (4120, 157494), (4944, 131245), (6180, 104996), (8240, 78747), (12360, 52498), (24720, 26249)]