72903160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{743}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 179988480

約数和(自身を除く): 107085320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 743, 892, 1115, 1486, 1784, 2230, 2453, 2972, 3715, 4460, 4906, 5944, 7430, 8173, 8920, 9812, 12265, 14860, 16346, 19624, 24530, 29720, 32692, 40865, 49060, 65384, 81730, 98120, 163460, 165689, 326920, 331378, 662756, 828445, 1325512, 1656890, 1822579, 3313780, 3645158, 6627560, 7290316, 9112895, 14580632, 18225790, 36451580, 72903160]

約数ペア:

[(1, 72903160), (2, 36451580), (4, 18225790), (5, 14580632), (8, 9112895), (10, 7290316), (11, 6627560), (20, 3645158), (22, 3313780), (40, 1822579), (44, 1656890), (55, 1325512), (88, 828445), (110, 662756), (220, 331378), (223, 326920), (440, 165689), (446, 163460), (743, 98120), (892, 81730), (1115, 65384), (1486, 49060), (1784, 40865), (2230, 32692), (2453, 29720), (2972, 24530), (3715, 19624), (4460, 16346), (4906, 14860), (5944, 12265), (7430, 9812), (8173, 8920)]