72391696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 158878720

約数和(自身を除く): 86487024

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 103, 104, 109, 124, 206, 208, 218, 248, 403, 412, 436, 496, 806, 824, 872, 1339, 1417, 1612, 1648, 1744, 2678, 2834, 3193, 3224, 3379, 5356, 5668, 6386, 6448, 6758, 10712, 11227, 11336, 12772, 13516, 21424, 22454, 22672, 25544, 27032, 41509, 43927, 44908, 51088, 54064, 83018, 87854, 89816, 145951, 166036, 175708, 179632, 291902, 332072, 348037, 351416, 583804, 664144, 696074, 702832, 1167608, 1392148, 2335216, 2784296, 4524481, 5568592, 9048962, 18097924, 36195848, 72391696]

約数ペア:

[(1, 72391696), (2, 36195848), (4, 18097924), (8, 9048962), (13, 5568592), (16, 4524481), (26, 2784296), (31, 2335216), (52, 1392148), (62, 1167608), (103, 702832), (104, 696074), (109, 664144), (124, 583804), (206, 351416), (208, 348037), (218, 332072), (248, 291902), (403, 179632), (412, 175708), (436, 166036), (496, 145951), (806, 89816), (824, 87854), (872, 83018), (1339, 54064), (1417, 51088), (1612, 44908), (1648, 43927), (1744, 41509), (2678, 27032), (2834, 25544), (3193, 22672), (3224, 22454), (3379, 21424), (5356, 13516), (5668, 12772), (6386, 11336), (6448, 11227), (6758, 10712)]