1455740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 3598560

約数和(自身を除く): 2142820

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 509, 572, 715, 1018, 1430, 2036, 2545, 2860, 5090, 5599, 6617, 10180, 11198, 13234, 22396, 26468, 27995, 33085, 55990, 66170, 72787, 111980, 132340, 145574, 291148, 363935, 727870, 1455740]

約数ペア:

[(1, 1455740), (2, 727870), (4, 363935), (5, 291148), (10, 145574), (11, 132340), (13, 111980), (20, 72787), (22, 66170), (26, 55990), (44, 33085), (52, 27995), (55, 26468), (65, 22396), (110, 13234), (130, 11198), (143, 10180), (220, 6617), (260, 5599), (286, 5090), (509, 2860), (572, 2545), (715, 2036), (1018, 1430)]