15553520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 38568960

約数和(自身を除く): 23015440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 107, 115, 158, 184, 214, 230, 316, 368, 395, 428, 460, 535, 632, 790, 856, 920, 1070, 1264, 1580, 1712, 1817, 1840, 2140, 2461, 3160, 3634, 4280, 4922, 6320, 7268, 8453, 8560, 9085, 9844, 12305, 14536, 16906, 18170, 19688, 24610, 29072, 33812, 36340, 39376, 42265, 49220, 67624, 72680, 84530, 98440, 135248, 145360, 169060, 194419, 196880, 338120, 388838, 676240, 777676, 972095, 1555352, 1944190, 3110704, 3888380, 7776760, 15553520]

約数ペア:

[(1, 15553520), (2, 7776760), (4, 3888380), (5, 3110704), (8, 1944190), (10, 1555352), (16, 972095), (20, 777676), (23, 676240), (40, 388838), (46, 338120), (79, 196880), (80, 194419), (92, 169060), (107, 145360), (115, 135248), (158, 98440), (184, 84530), (214, 72680), (230, 67624), (316, 49220), (368, 42265), (395, 39376), (428, 36340), (460, 33812), (535, 29072), (632, 24610), (790, 19688), (856, 18170), (920, 16906), (1070, 14536), (1264, 12305), (1580, 9844), (1712, 9085), (1817, 8560), (1840, 8453), (2140, 7268), (2461, 6320), (3160, 4922), (3634, 4280)]