81633440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3169}}^1$

素因数の和:3214

約数の個数: 96

約数和(自身を含む): 230065920

約数和(自身を除く): 148432480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1288, 1610, 1840, 2576, 3169, 3220, 3680, 5152, 6338, 6440, 12676, 12880, 15845, 22183, 25352, 25760, 31690, 44366, 50704, 63380, 72887, 88732, 101408, 110915, 126760, 145774, 177464, 221830, 253520, 291548, 354928, 364435, 443660, 507040, 510209, 583096, 709856, 728870, 887320, 1020418, 1166192, 1457740, 1774640, 2040836, 2332384, 2551045, 2915480, 3549280, 4081672, 5102090, 5830960, 8163344, 10204180, 11661920, 16326688, 20408360, 40816720, 81633440]

約数ペア:

[(1, 81633440), (2, 40816720), (4, 20408360), (5, 16326688), (7, 11661920), (8, 10204180), (10, 8163344), (14, 5830960), (16, 5102090), (20, 4081672), (23, 3549280), (28, 2915480), (32, 2551045), (35, 2332384), (40, 2040836), (46, 1774640), (56, 1457740), (70, 1166192), (80, 1020418), (92, 887320), (112, 728870), (115, 709856), (140, 583096), (160, 510209), (161, 507040), (184, 443660), (224, 364435), (230, 354928), (280, 291548), (322, 253520), (368, 221830), (460, 177464), (560, 145774), (644, 126760), (736, 110915), (805, 101408), (920, 88732), (1120, 72887), (1288, 63380), (1610, 50704), (1840, 44366), (2576, 31690), (3169, 25760), (3220, 25352), (3680, 22183), (5152, 15845), (6338, 12880), (6440, 12676)]