87994720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:233

約数の個数: 144

約数和(自身を含む): 242304048

約数和(自身を除く): 154309328

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 173, 176, 187, 220, 272, 289, 340, 346, 352, 374, 440, 544, 578, 680, 692, 748, 865, 880, 935, 1156, 1360, 1384, 1445, 1496, 1730, 1760, 1870, 1903, 2312, 2720, 2768, 2890, 2941, 2992, 3179, 3460, 3740, 3806, 4624, 5536, 5780, 5882, 5984, 6358, 6920, 7480, 7612, 9248, 9515, 11560, 11764, 12716, 13840, 14705, 14960, 15224, 15895, 19030, 23120, 23528, 25432, 27680, 29410, 29920, 30448, 31790, 32351, 38060, 46240, 47056, 49997, 50864, 58820, 60896, 63580, 64702, 76120, 94112, 99994, 101728, 117640, 127160, 129404, 152240, 161755, 199988, 235280, 249985, 254320, 258808, 304480, 323510, 399976, 470560, 499970, 508640, 517616, 549967, 647020, 799952, 999940, 1035232, 1099934, 1294040, 1599904, 1999880, 2199868, 2588080, 2749835, 3999760, 4399736, 5176160, 5499670, 7999520, 8799472, 10999340, 17598944, 21998680, 43997360, 87994720]

約数ペア:

[(1, 87994720), (2, 43997360), (4, 21998680), (5, 17598944), (8, 10999340), (10, 8799472), (11, 7999520), (16, 5499670), (17, 5176160), (20, 4399736), (22, 3999760), (32, 2749835), (34, 2588080), (40, 2199868), (44, 1999880), (55, 1599904), (68, 1294040), (80, 1099934), (85, 1035232), (88, 999940), (110, 799952), (136, 647020), (160, 549967), (170, 517616), (173, 508640), (176, 499970), (187, 470560), (220, 399976), (272, 323510), (289, 304480), (340, 258808), (346, 254320), (352, 249985), (374, 235280), (440, 199988), (544, 161755), (578, 152240), (680, 129404), (692, 127160), (748, 117640), (865, 101728), (880, 99994), (935, 94112), (1156, 76120), (1360, 64702), (1384, 63580), (1445, 60896), (1496, 58820), (1730, 50864), (1760, 49997), (1870, 47056), (1903, 46240), (2312, 38060), (2720, 32351), (2768, 31790), (2890, 30448), (2941, 29920), (2992, 29410), (3179, 27680), (3460, 25432), (3740, 23528), (3806, 23120), (4624, 19030), (5536, 15895), (5780, 15224), (5882, 14960), (5984, 14705), (6358, 13840), (6920, 12716), (7480, 11764), (7612, 11560), (9248, 9515)]