171315920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1867}}^1$

素因数の和:1948

約数の個数: 80

約数和(自身を含む): 422496768

約数和(自身を除く): 251180848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 1867, 2294, 2480, 2960, 3734, 4588, 5735, 7468, 9176, 9335, 11470, 14936, 18352, 18670, 22940, 29872, 37340, 45880, 57877, 69079, 74680, 91760, 115754, 138158, 149360, 231508, 276316, 289385, 345395, 463016, 552632, 578770, 690790, 926032, 1105264, 1157540, 1381580, 2141449, 2315080, 2763160, 4282898, 4630160, 5526320, 8565796, 10707245, 17131592, 21414490, 34263184, 42828980, 85657960, 171315920]

約数ペア:

[(1, 171315920), (2, 85657960), (4, 42828980), (5, 34263184), (8, 21414490), (10, 17131592), (16, 10707245), (20, 8565796), (31, 5526320), (37, 4630160), (40, 4282898), (62, 2763160), (74, 2315080), (80, 2141449), (124, 1381580), (148, 1157540), (155, 1105264), (185, 926032), (248, 690790), (296, 578770), (310, 552632), (370, 463016), (496, 345395), (592, 289385), (620, 276316), (740, 231508), (1147, 149360), (1240, 138158), (1480, 115754), (1867, 91760), (2294, 74680), (2480, 69079), (2960, 57877), (3734, 45880), (4588, 37340), (5735, 29872), (7468, 22940), (9176, 18670), (9335, 18352), (11470, 14936)]