71278480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9791}}^1$

素因数の和:9824

約数の個数: 80

約数和(自身を含む): 203986944

約数和(自身を除く): 132708464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 9791, 19582, 39164, 48955, 68537, 78328, 97910, 127283, 137074, 156656, 195820, 254566, 274148, 342685, 391640, 509132, 548296, 636415, 685370, 783280, 890981, 1018264, 1096592, 1272830, 1370740, 1781962, 2036528, 2545660, 2741480, 3563924, 4454905, 5091320, 5482960, 7127848, 8909810, 10182640, 14255696, 17819620, 35639240, 71278480]

約数ペア:

[(1, 71278480), (2, 35639240), (4, 17819620), (5, 14255696), (7, 10182640), (8, 8909810), (10, 7127848), (13, 5482960), (14, 5091320), (16, 4454905), (20, 3563924), (26, 2741480), (28, 2545660), (35, 2036528), (40, 1781962), (52, 1370740), (56, 1272830), (65, 1096592), (70, 1018264), (80, 890981), (91, 783280), (104, 685370), (112, 636415), (130, 548296), (140, 509132), (182, 391640), (208, 342685), (260, 274148), (280, 254566), (364, 195820), (455, 156656), (520, 137074), (560, 127283), (728, 97910), (910, 78328), (1040, 68537), (1456, 48955), (1820, 39164), (3640, 19582), (7280, 9791)]