78886980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:786

約数の個数: 96

約数和(自身を含む): 246718080

約数和(自身を除く): 167831100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 347, 421, 540, 694, 842, 1041, 1263, 1388, 1684, 1735, 2082, 2105, 2526, 3123, 3470, 3789, 4164, 4210, 5052, 5205, 6246, 6315, 6940, 7578, 8420, 9369, 10410, 11367, 12492, 12630, 15156, 15615, 18738, 18945, 20820, 22734, 25260, 31230, 37476, 37890, 45468, 46845, 56835, 62460, 75780, 93690, 113670, 146087, 187380, 227340, 292174, 438261, 584348, 730435, 876522, 1314783, 1460870, 1753044, 2191305, 2629566, 2921740, 3944349, 4382610, 5259132, 6573915, 7888698, 8765220, 13147830, 15777396, 19721745, 26295660, 39443490, 78886980]

約数ペア:

[(1, 78886980), (2, 39443490), (3, 26295660), (4, 19721745), (5, 15777396), (6, 13147830), (9, 8765220), (10, 7888698), (12, 6573915), (15, 5259132), (18, 4382610), (20, 3944349), (27, 2921740), (30, 2629566), (36, 2191305), (45, 1753044), (54, 1460870), (60, 1314783), (90, 876522), (108, 730435), (135, 584348), (180, 438261), (270, 292174), (347, 227340), (421, 187380), (540, 146087), (694, 113670), (842, 93690), (1041, 75780), (1263, 62460), (1388, 56835), (1684, 46845), (1735, 45468), (2082, 37890), (2105, 37476), (2526, 31230), (3123, 25260), (3470, 22734), (3789, 20820), (4164, 18945), (4210, 18738), (5052, 15615), (5205, 15156), (6246, 12630), (6315, 12492), (6940, 11367), (7578, 10410), (8420, 9369)]