72479440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3581}}^1$

素因数の和:3628

約数の個数: 80

約数和(自身を含む): 191880576

約数和(自身を除く): 119401136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 880, 920, 1012, 1265, 1840, 2024, 2530, 3581, 4048, 5060, 7162, 10120, 14324, 17905, 20240, 28648, 35810, 39391, 57296, 71620, 78782, 82363, 143240, 157564, 164726, 196955, 286480, 315128, 329452, 393910, 411815, 630256, 658904, 787820, 823630, 905993, 1317808, 1575640, 1647260, 1811986, 3151280, 3294520, 3623972, 4529965, 6589040, 7247944, 9059930, 14495888, 18119860, 36239720, 72479440]

約数ペア:

[(1, 72479440), (2, 36239720), (4, 18119860), (5, 14495888), (8, 9059930), (10, 7247944), (11, 6589040), (16, 4529965), (20, 3623972), (22, 3294520), (23, 3151280), (40, 1811986), (44, 1647260), (46, 1575640), (55, 1317808), (80, 905993), (88, 823630), (92, 787820), (110, 658904), (115, 630256), (176, 411815), (184, 393910), (220, 329452), (230, 315128), (253, 286480), (368, 196955), (440, 164726), (460, 157564), (506, 143240), (880, 82363), (920, 78782), (1012, 71620), (1265, 57296), (1840, 39391), (2024, 35810), (2530, 28648), (3581, 20240), (4048, 17905), (5060, 14324), (7162, 10120)]