80840412

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:627

約数の個数: 72

約数和(自身を含む): 211878576

約数和(自身を除く): 131038164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 137, 148, 222, 274, 333, 411, 443, 444, 548, 666, 822, 886, 1233, 1329, 1332, 1644, 1772, 2466, 2658, 3987, 4932, 5069, 5316, 7974, 10138, 15207, 15948, 16391, 20276, 30414, 32782, 45621, 49173, 60691, 60828, 65564, 91242, 98346, 121382, 147519, 182073, 182484, 196692, 242764, 295038, 364146, 546219, 590076, 728292, 1092438, 2184876, 2245567, 4491134, 6736701, 8982268, 13473402, 20210103, 26946804, 40420206, 80840412]

約数ペア:

[(1, 80840412), (2, 40420206), (3, 26946804), (4, 20210103), (6, 13473402), (9, 8982268), (12, 6736701), (18, 4491134), (36, 2245567), (37, 2184876), (74, 1092438), (111, 728292), (137, 590076), (148, 546219), (222, 364146), (274, 295038), (333, 242764), (411, 196692), (443, 182484), (444, 182073), (548, 147519), (666, 121382), (822, 98346), (886, 91242), (1233, 65564), (1329, 60828), (1332, 60691), (1644, 49173), (1772, 45621), (2466, 32782), (2658, 30414), (3987, 20276), (4932, 16391), (5069, 15948), (5316, 15207), (7974, 10138)]