40320225

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{1481}}^1$

素因数の和:1519

約数の個数: 54

約数和(自身を含む): 79433718

約数和(自身を除く): 39113493

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 121, 165, 225, 275, 363, 495, 605, 825, 1089, 1481, 1815, 2475, 3025, 4443, 5445, 7405, 9075, 13329, 16291, 22215, 27225, 37025, 48873, 66645, 81455, 111075, 146619, 179201, 244365, 333225, 407275, 537603, 733095, 896005, 1221825, 1612809, 2688015, 3665475, 4480025, 8064045, 13440075, 40320225]

約数ペア:

[(1, 40320225), (3, 13440075), (5, 8064045), (9, 4480025), (11, 3665475), (15, 2688015), (25, 1612809), (33, 1221825), (45, 896005), (55, 733095), (75, 537603), (99, 407275), (121, 333225), (165, 244365), (225, 179201), (275, 146619), (363, 111075), (495, 81455), (605, 66645), (825, 48873), (1089, 37025), (1481, 27225), (1815, 22215), (2475, 16291), (3025, 13329), (4443, 9075), (5445, 7405)]