123898860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8713}}^1$

素因数の和:8807

約数の個数: 72

約数和(自身を含む): 380627520

約数和(自身を除く): 256728660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1580, 2370, 2844, 3555, 4740, 7110, 8713, 14220, 17426, 26139, 34852, 43565, 52278, 78417, 87130, 104556, 130695, 156834, 174260, 261390, 313668, 392085, 522780, 688327, 784170, 1376654, 1568340, 2064981, 2753308, 3441635, 4129962, 6194943, 6883270, 8259924, 10324905, 12389886, 13766540, 20649810, 24779772, 30974715, 41299620, 61949430, 123898860]

約数ペア:

[(1, 123898860), (2, 61949430), (3, 41299620), (4, 30974715), (5, 24779772), (6, 20649810), (9, 13766540), (10, 12389886), (12, 10324905), (15, 8259924), (18, 6883270), (20, 6194943), (30, 4129962), (36, 3441635), (45, 2753308), (60, 2064981), (79, 1568340), (90, 1376654), (158, 784170), (180, 688327), (237, 522780), (316, 392085), (395, 313668), (474, 261390), (711, 174260), (790, 156834), (948, 130695), (1185, 104556), (1422, 87130), (1580, 78417), (2370, 52278), (2844, 43565), (3555, 34852), (4740, 26139), (7110, 17426), (8713, 14220)]