1520230075

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^2\times {\mathrm{97}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 2372605088

約数和(自身を除く): 852375013

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 97, 175, 325, 415, 455, 485, 581, 679, 1079, 1261, 2075, 2275, 2425, 2905, 3395, 5395, 6305, 6889, 7553, 8051, 8827, 14525, 16975, 26975, 31525, 34445, 37765, 40255, 44135, 48223, 56357, 89557, 104663, 172225, 188825, 201275, 220675, 241115, 281785, 447785, 523315, 626899, 668233, 732641, 1205575, 1408925, 2238925, 2616575, 3134495, 3341165, 3663205, 4677631, 8687029, 15672475, 16705825, 18316025, 23388155, 43435145, 60809203, 116940775, 217175725, 304046015, 1520230075]

約数ペア:

[(1, 1520230075), (5, 304046015), (7, 217175725), (13, 116940775), (25, 60809203), (35, 43435145), (65, 23388155), (83, 18316025), (91, 16705825), (97, 15672475), (175, 8687029), (325, 4677631), (415, 3663205), (455, 3341165), (485, 3134495), (581, 2616575), (679, 2238925), (1079, 1408925), (1261, 1205575), (2075, 732641), (2275, 668233), (2425, 626899), (2905, 523315), (3395, 447785), (5395, 281785), (6305, 241115), (6889, 220675), (7553, 201275), (8051, 188825), (8827, 172225), (14525, 104663), (16975, 89557), (26975, 56357), (31525, 48223), (34445, 44135), (37765, 40255)]