71507920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3533}}^1$

素因数の和:3580

約数の個数: 80

約数和(自身を含む): 189309312

約数和(自身を除く): 117801392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3533, 4048, 5060, 7066, 10120, 14132, 17665, 20240, 28264, 35330, 38863, 56528, 70660, 77726, 81259, 141320, 155452, 162518, 194315, 282640, 310904, 325036, 388630, 406295, 621808, 650072, 777260, 812590, 893849, 1300144, 1554520, 1625180, 1787698, 3109040, 3250360, 3575396, 4469245, 6500720, 7150792, 8938490, 14301584, 17876980, 35753960, 71507920]

約数ペア:

[(1, 71507920), (2, 35753960), (4, 17876980), (5, 14301584), (8, 8938490), (10, 7150792), (11, 6500720), (16, 4469245), (20, 3575396), (22, 3250360), (23, 3109040), (40, 1787698), (44, 1625180), (46, 1554520), (55, 1300144), (80, 893849), (88, 812590), (92, 777260), (110, 650072), (115, 621808), (176, 406295), (184, 388630), (220, 325036), (230, 310904), (253, 282640), (368, 194315), (440, 162518), (460, 155452), (506, 141320), (880, 81259), (920, 77726), (1012, 70660), (1265, 56528), (1840, 38863), (2024, 35330), (2530, 28264), (3533, 20240), (4048, 17665), (5060, 14132), (7066, 10120)]