13487120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 34069248

約数和(自身を除く): 20582128

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 211, 235, 272, 340, 376, 422, 470, 680, 752, 799, 844, 940, 1055, 1360, 1598, 1688, 1880, 2110, 3196, 3376, 3587, 3760, 3995, 4220, 6392, 7174, 7990, 8440, 9917, 12784, 14348, 15980, 16880, 17935, 19834, 28696, 31960, 35870, 39668, 49585, 57392, 63920, 71740, 79336, 99170, 143480, 158672, 168589, 198340, 286960, 337178, 396680, 674356, 793360, 842945, 1348712, 1685890, 2697424, 3371780, 6743560, 13487120]

約数ペア:

[(1, 13487120), (2, 6743560), (4, 3371780), (5, 2697424), (8, 1685890), (10, 1348712), (16, 842945), (17, 793360), (20, 674356), (34, 396680), (40, 337178), (47, 286960), (68, 198340), (80, 168589), (85, 158672), (94, 143480), (136, 99170), (170, 79336), (188, 71740), (211, 63920), (235, 57392), (272, 49585), (340, 39668), (376, 35870), (422, 31960), (470, 28696), (680, 19834), (752, 17935), (799, 16880), (844, 15980), (940, 14348), (1055, 12784), (1360, 9917), (1598, 8440), (1688, 7990), (1880, 7174), (2110, 6392), (3196, 4220), (3376, 3995), (3587, 3760)]