85884760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:257

約数の個数: 128

約数和(自身を含む): 223534080

約数和(自身を除く): 137649320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 115, 130, 167, 172, 184, 215, 230, 260, 299, 334, 344, 430, 460, 520, 559, 598, 668, 835, 860, 920, 989, 1118, 1196, 1336, 1495, 1670, 1720, 1978, 2171, 2236, 2392, 2795, 2990, 3340, 3841, 3956, 4342, 4472, 4945, 5590, 5980, 6680, 7181, 7682, 7912, 8684, 9890, 10855, 11180, 11960, 12857, 14362, 15364, 17368, 19205, 19780, 21710, 22360, 25714, 28724, 30728, 35905, 38410, 39560, 43420, 49933, 51428, 57448, 64285, 71810, 76820, 86840, 93353, 99866, 102856, 128570, 143620, 153640, 165163, 186706, 199732, 249665, 257140, 287240, 330326, 373412, 399464, 466765, 499330, 514280, 660652, 746824, 825815, 933530, 998660, 1321304, 1651630, 1867060, 1997320, 2147119, 3303260, 3734120, 4294238, 6606520, 8588476, 10735595, 17176952, 21471190, 42942380, 85884760]

約数ペア:

[(1, 85884760), (2, 42942380), (4, 21471190), (5, 17176952), (8, 10735595), (10, 8588476), (13, 6606520), (20, 4294238), (23, 3734120), (26, 3303260), (40, 2147119), (43, 1997320), (46, 1867060), (52, 1651630), (65, 1321304), (86, 998660), (92, 933530), (104, 825815), (115, 746824), (130, 660652), (167, 514280), (172, 499330), (184, 466765), (215, 399464), (230, 373412), (260, 330326), (299, 287240), (334, 257140), (344, 249665), (430, 199732), (460, 186706), (520, 165163), (559, 153640), (598, 143620), (668, 128570), (835, 102856), (860, 99866), (920, 93353), (989, 86840), (1118, 76820), (1196, 71810), (1336, 64285), (1495, 57448), (1670, 51428), (1720, 49933), (1978, 43420), (2171, 39560), (2236, 38410), (2392, 35905), (2795, 30728), (2990, 28724), (3340, 25714), (3841, 22360), (3956, 21710), (4342, 19780), (4472, 19205), (4945, 17368), (5590, 15364), (5980, 14362), (6680, 12857), (7181, 11960), (7682, 11180), (7912, 10855), (8684, 9890)]