71561360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 185166720

約数和(自身を除く): 113605360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 79, 80, 104, 130, 134, 158, 169, 208, 260, 268, 316, 335, 338, 395, 520, 536, 632, 670, 676, 790, 845, 871, 1027, 1040, 1072, 1264, 1340, 1352, 1580, 1690, 1742, 2054, 2680, 2704, 3160, 3380, 3484, 4108, 4355, 5135, 5293, 5360, 6320, 6760, 6968, 8216, 8710, 10270, 10586, 11323, 13351, 13520, 13936, 16432, 17420, 20540, 21172, 22646, 26465, 26702, 34840, 41080, 42344, 45292, 52930, 53404, 56615, 66755, 68809, 69680, 82160, 84688, 90584, 105860, 106808, 113230, 133510, 137618, 181168, 211720, 213616, 226460, 267020, 275236, 344045, 423440, 452920, 534040, 550472, 688090, 894517, 905840, 1068080, 1100944, 1376180, 1789034, 2752360, 3578068, 4472585, 5504720, 7156136, 8945170, 14312272, 17890340, 35780680, 71561360]

約数ペア:

[(1, 71561360), (2, 35780680), (4, 17890340), (5, 14312272), (8, 8945170), (10, 7156136), (13, 5504720), (16, 4472585), (20, 3578068), (26, 2752360), (40, 1789034), (52, 1376180), (65, 1100944), (67, 1068080), (79, 905840), (80, 894517), (104, 688090), (130, 550472), (134, 534040), (158, 452920), (169, 423440), (208, 344045), (260, 275236), (268, 267020), (316, 226460), (335, 213616), (338, 211720), (395, 181168), (520, 137618), (536, 133510), (632, 113230), (670, 106808), (676, 105860), (790, 90584), (845, 84688), (871, 82160), (1027, 69680), (1040, 68809), (1072, 66755), (1264, 56615), (1340, 53404), (1352, 52930), (1580, 45292), (1690, 42344), (1742, 41080), (2054, 34840), (2680, 26702), (2704, 26465), (3160, 22646), (3380, 21172), (3484, 20540), (4108, 17420), (4355, 16432), (5135, 13936), (5293, 13520), (5360, 13351), (6320, 11323), (6760, 10586), (6968, 10270), (8216, 8710)]