12257960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 32417280

約数和(自身を除く): 20159320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2143, 2860, 4286, 5720, 8572, 10715, 17144, 21430, 23573, 27859, 42860, 47146, 55718, 85720, 94292, 111436, 117865, 139295, 188584, 222872, 235730, 278590, 306449, 471460, 557180, 612898, 942920, 1114360, 1225796, 1532245, 2451592, 3064490, 6128980, 12257960]

約数ペア:

[(1, 12257960), (2, 6128980), (4, 3064490), (5, 2451592), (8, 1532245), (10, 1225796), (11, 1114360), (13, 942920), (20, 612898), (22, 557180), (26, 471460), (40, 306449), (44, 278590), (52, 235730), (55, 222872), (65, 188584), (88, 139295), (104, 117865), (110, 111436), (130, 94292), (143, 85720), (220, 55718), (260, 47146), (286, 42860), (440, 27859), (520, 23573), (572, 21430), (715, 17144), (1144, 10715), (1430, 8572), (2143, 5720), (2860, 4286)]