84855760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:692

約数の個数: 80

約数和(自身を含む): 216718272

約数和(自身を除く): 131862512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 211, 220, 422, 440, 457, 844, 880, 914, 1055, 1688, 1828, 2110, 2285, 2321, 3376, 3656, 4220, 4570, 4642, 5027, 7312, 8440, 9140, 9284, 10054, 11605, 16880, 18280, 18568, 20108, 23210, 25135, 36560, 37136, 40216, 46420, 50270, 80432, 92840, 96427, 100540, 185680, 192854, 201080, 385708, 402160, 482135, 771416, 964270, 1060697, 1542832, 1928540, 2121394, 3857080, 4242788, 5303485, 7714160, 8485576, 10606970, 16971152, 21213940, 42427880, 84855760]

約数ペア:

[(1, 84855760), (2, 42427880), (4, 21213940), (5, 16971152), (8, 10606970), (10, 8485576), (11, 7714160), (16, 5303485), (20, 4242788), (22, 3857080), (40, 2121394), (44, 1928540), (55, 1542832), (80, 1060697), (88, 964270), (110, 771416), (176, 482135), (211, 402160), (220, 385708), (422, 201080), (440, 192854), (457, 185680), (844, 100540), (880, 96427), (914, 92840), (1055, 80432), (1688, 50270), (1828, 46420), (2110, 40216), (2285, 37136), (2321, 36560), (3376, 25135), (3656, 23210), (4220, 20108), (4570, 18568), (4642, 18280), (5027, 16880), (7312, 11605), (8440, 10054), (9140, 9284)]