38209140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2781

約数の個数: 72

約数和(自身を含む): 117411840

約数和(自身を除く): 79202700

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, 2687, 2844, 3555, 4740, 5374, 7110, 8061, 10748, 13435, 14220, 16122, 24183, 26870, 32244, 40305, 48366, 53740, 80610, 96732, 120915, 161220, 212273, 241830, 424546, 483660, 636819, 849092, 1061365, 1273638, 1910457, 2122730, 2547276, 3184095, 3820914, 4245460, 6368190, 7641828, 9552285, 12736380, 19104570, 38209140]

約数ペア:

[(1, 38209140), (2, 19104570), (3, 12736380), (4, 9552285), (5, 7641828), (6, 6368190), (9, 4245460), (10, 3820914), (12, 3184095), (15, 2547276), (18, 2122730), (20, 1910457), (30, 1273638), (36, 1061365), (45, 849092), (60, 636819), (79, 483660), (90, 424546), (158, 241830), (180, 212273), (237, 161220), (316, 120915), (395, 96732), (474, 80610), (711, 53740), (790, 48366), (948, 40305), (1185, 32244), (1422, 26870), (1580, 24183), (2370, 16122), (2687, 14220), (2844, 13435), (3555, 10748), (4740, 8061), (5374, 7110)]