138630780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{9749}}^1$

素因数の和:9843

約数の個数: 72

約数和(自身を含む): 425880000

約数和(自身を除く): 287249220

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, 9749, 14220, 19498, 29247, 38996, 48745, 58494, 87741, 97490, 116988, 146235, 175482, 194980, 292470, 350964, 438705, 584940, 770171, 877410, 1540342, 1754820, 2310513, 3080684, 3850855, 4621026, 6931539, 7701710, 9242052, 11552565, 13863078, 15403420, 23105130, 27726156, 34657695, 46210260, 69315390, 138630780]

約数ペア:

[(1, 138630780), (2, 69315390), (3, 46210260), (4, 34657695), (5, 27726156), (6, 23105130), (9, 15403420), (10, 13863078), (12, 11552565), (15, 9242052), (18, 7701710), (20, 6931539), (30, 4621026), (36, 3850855), (45, 3080684), (60, 2310513), (79, 1754820), (90, 1540342), (158, 877410), (180, 770171), (237, 584940), (316, 438705), (395, 350964), (474, 292470), (711, 194980), (790, 175482), (948, 146235), (1185, 116988), (1422, 97490), (1580, 87741), (2370, 58494), (2844, 48745), (3555, 38996), (4740, 29247), (7110, 19498), (9749, 14220)]