72157020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1171}}^1$

素因数の和:1275

約数の個数: 96

約数和(自身を含む): 220523520

約数和(自身を除く): 148366500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1171, 1185, 1580, 2054, 2342, 2370, 3081, 3513, 4108, 4684, 4740, 5135, 5855, 6162, 7026, 10270, 11710, 12324, 14052, 15223, 15405, 17565, 20540, 23420, 30446, 30810, 35130, 45669, 60892, 61620, 70260, 76115, 91338, 92509, 152230, 182676, 185018, 228345, 277527, 304460, 370036, 456690, 462545, 555054, 913380, 925090, 1110108, 1202617, 1387635, 1850180, 2405234, 2775270, 3607851, 4810468, 5550540, 6013085, 7215702, 12026170, 14431404, 18039255, 24052340, 36078510, 72157020]

約数ペア:

[(1, 72157020), (2, 36078510), (3, 24052340), (4, 18039255), (5, 14431404), (6, 12026170), (10, 7215702), (12, 6013085), (13, 5550540), (15, 4810468), (20, 3607851), (26, 2775270), (30, 2405234), (39, 1850180), (52, 1387635), (60, 1202617), (65, 1110108), (78, 925090), (79, 913380), (130, 555054), (156, 462545), (158, 456690), (195, 370036), (237, 304460), (260, 277527), (316, 228345), (390, 185018), (395, 182676), (474, 152230), (780, 92509), (790, 91338), (948, 76115), (1027, 70260), (1171, 61620), (1185, 60892), (1580, 45669), (2054, 35130), (2342, 30810), (2370, 30446), (3081, 23420), (3513, 20540), (4108, 17565), (4684, 15405), (4740, 15223), (5135, 14052), (5855, 12324), (6162, 11710), (7026, 10270)]