2156844720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{87251}}^1$

素因数の和:87370

約数の個数: 80

約数和(自身を含む): 6751210752

約数和(自身を除く): 4594366032

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, 87251, 174502, 261753, 349004, 436255, 523506, 698008, 872510, 1047012, 1308765, 1396016, 1745020, 2094024, 2617530, 3490040, 4188048, 5235060, 6980080, 8986853, 10470120, 17973706, 20940240, 26960559, 35947412, 44934265, 53921118, 71894824, 89868530, 107842236, 134802795, 143789648, 179737060, 215684472, 269605590, 359474120, 431368944, 539211180, 718948240, 1078422360, 2156844720]

約数ペア:

[(1, 2156844720), (2, 1078422360), (3, 718948240), (4, 539211180), (5, 431368944), (6, 359474120), (8, 269605590), (10, 215684472), (12, 179737060), (15, 143789648), (16, 134802795), (20, 107842236), (24, 89868530), (30, 71894824), (40, 53921118), (48, 44934265), (60, 35947412), (80, 26960559), (103, 20940240), (120, 17973706), (206, 10470120), (240, 8986853), (309, 6980080), (412, 5235060), (515, 4188048), (618, 3490040), (824, 2617530), (1030, 2094024), (1236, 1745020), (1545, 1396016), (1648, 1308765), (2060, 1047012), (2472, 872510), (3090, 698008), (4120, 523506), (4944, 436255), (6180, 349004), (8240, 261753), (12360, 174502), (24720, 87251)]