61481875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 80

約数和(自身を含む): 100767744

約数和(自身を除く): 39285869

約数列:

[1, 5, 7, 13, 23, 25, 35, 47, 65, 91, 115, 125, 161, 175, 235, 299, 325, 329, 455, 575, 611, 625, 805, 875, 1081, 1175, 1495, 1625, 1645, 2093, 2275, 2875, 3055, 4025, 4277, 4375, 5405, 5875, 7475, 7567, 8125, 8225, 10465, 11375, 14053, 14375, 15275, 20125, 21385, 27025, 29375, 37375, 37835, 41125, 52325, 56875, 70265, 76375, 98371, 100625, 106925, 135125, 186875, 189175, 205625, 261625, 351325, 381875, 491855, 534625, 675625, 945875, 1308125, 1756625, 2459275, 2673125, 4729375, 8783125, 12296375, 61481875]

約数ペア:

[(1, 61481875), (5, 12296375), (7, 8783125), (13, 4729375), (23, 2673125), (25, 2459275), (35, 1756625), (47, 1308125), (65, 945875), (91, 675625), (115, 534625), (125, 491855), (161, 381875), (175, 351325), (235, 261625), (299, 205625), (325, 189175), (329, 186875), (455, 135125), (575, 106925), (611, 100625), (625, 98371), (805, 76375), (875, 70265), (1081, 56875), (1175, 52325), (1495, 41125), (1625, 37835), (1645, 37375), (2093, 29375), (2275, 27025), (2875, 21385), (3055, 20125), (4025, 15275), (4277, 14375), (4375, 14053), (5405, 11375), (5875, 10465), (7475, 8225), (7567, 8125)]