220551525

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:660

約数の個数: 96

約数和(自身を含む): 441936000

約数和(自身を除く): 221384475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 29, 45, 57, 75, 87, 95, 135, 145, 171, 225, 261, 285, 435, 475, 513, 551, 593, 675, 725, 783, 855, 1305, 1425, 1653, 1779, 2175, 2565, 2755, 2965, 3915, 4275, 4959, 5337, 6525, 8265, 8895, 11267, 12825, 13775, 14825, 14877, 16011, 17197, 19575, 24795, 26685, 33801, 41325, 44475, 51591, 56335, 74385, 80055, 85985, 101403, 123975, 133425, 154773, 169005, 257955, 281675, 304209, 326743, 371925, 400275, 429925, 464319, 507015, 773865, 845025, 980229, 1289775, 1521045, 1633715, 2321595, 2535075, 2940687, 3869325, 4901145, 7605225, 8168575, 8822061, 11607975, 14703435, 24505725, 44110305, 73517175, 220551525]

約数ペア:

[(1, 220551525), (3, 73517175), (5, 44110305), (9, 24505725), (15, 14703435), (19, 11607975), (25, 8822061), (27, 8168575), (29, 7605225), (45, 4901145), (57, 3869325), (75, 2940687), (87, 2535075), (95, 2321595), (135, 1633715), (145, 1521045), (171, 1289775), (225, 980229), (261, 845025), (285, 773865), (435, 507015), (475, 464319), (513, 429925), (551, 400275), (593, 371925), (675, 326743), (725, 304209), (783, 281675), (855, 257955), (1305, 169005), (1425, 154773), (1653, 133425), (1779, 123975), (2175, 101403), (2565, 85985), (2755, 80055), (2965, 74385), (3915, 56335), (4275, 51591), (4959, 44475), (5337, 41325), (6525, 33801), (8265, 26685), (8895, 24795), (11267, 19575), (12825, 17197), (13775, 16011), (14825, 14877)]