72814840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{13687}}^1$

素因数の和:13724

約数の個数: 64

約数和(自身を含む): 197107200

約数和(自身を除く): 124292360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 13687, 27374, 54748, 68435, 95809, 109496, 136870, 191618, 260053, 273740, 383236, 479045, 520106, 547480, 766472, 958090, 1040212, 1300265, 1820371, 1916180, 2080424, 2600530, 3640742, 3832360, 5201060, 7281484, 9101855, 10402120, 14562968, 18203710, 36407420, 72814840]

約数ペア:

[(1, 72814840), (2, 36407420), (4, 18203710), (5, 14562968), (7, 10402120), (8, 9101855), (10, 7281484), (14, 5201060), (19, 3832360), (20, 3640742), (28, 2600530), (35, 2080424), (38, 1916180), (40, 1820371), (56, 1300265), (70, 1040212), (76, 958090), (95, 766472), (133, 547480), (140, 520106), (152, 479045), (190, 383236), (266, 273740), (280, 260053), (380, 191618), (532, 136870), (665, 109496), (760, 95809), (1064, 68435), (1330, 54748), (2660, 27374), (5320, 13687)]