18685080

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 64468800

約数和(自身を除く): 45783720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 73, 79, 81, 90, 108, 120, 135, 146, 158, 162, 180, 216, 219, 237, 270, 292, 316, 324, 360, 365, 395, 405, 438, 474, 540, 584, 632, 648, 657, 711, 730, 790, 810, 876, 948, 1080, 1095, 1185, 1314, 1422, 1460, 1580, 1620, 1752, 1896, 1971, 2133, 2190, 2370, 2628, 2844, 2920, 3160, 3240, 3285, 3555, 3942, 4266, 4380, 4740, 5256, 5688, 5767, 5913, 6399, 6570, 7110, 7884, 8532, 8760, 9480, 9855, 10665, 11534, 11826, 12798, 13140, 14220, 15768, 17064, 17301, 19710, 21330, 23068, 23652, 25596, 26280, 28440, 28835, 29565, 31995, 34602, 39420, 42660, 46136, 47304, 51192, 51903, 57670, 59130, 63990, 69204, 78840, 85320, 86505, 103806, 115340, 118260, 127980, 138408, 155709, 173010, 207612, 230680, 236520, 255960, 259515, 311418, 346020, 415224, 467127, 519030, 622836, 692040, 778545, 934254, 1038060, 1245672, 1557090, 1868508, 2076120, 2335635, 3114180, 3737016, 4671270, 6228360, 9342540, 18685080]

約数ペア:

[(1, 18685080), (2, 9342540), (3, 6228360), (4, 4671270), (5, 3737016), (6, 3114180), (8, 2335635), (9, 2076120), (10, 1868508), (12, 1557090), (15, 1245672), (18, 1038060), (20, 934254), (24, 778545), (27, 692040), (30, 622836), (36, 519030), (40, 467127), (45, 415224), (54, 346020), (60, 311418), (72, 259515), (73, 255960), (79, 236520), (81, 230680), (90, 207612), (108, 173010), (120, 155709), (135, 138408), (146, 127980), (158, 118260), (162, 115340), (180, 103806), (216, 86505), (219, 85320), (237, 78840), (270, 69204), (292, 63990), (316, 59130), (324, 57670), (360, 51903), (365, 51192), (395, 47304), (405, 46136), (438, 42660), (474, 39420), (540, 34602), (584, 31995), (632, 29565), (648, 28835), (657, 28440), (711, 26280), (730, 25596), (790, 23652), (810, 23068), (876, 21330), (948, 19710), (1080, 17301), (1095, 17064), (1185, 15768), (1314, 14220), (1422, 13140), (1460, 12798), (1580, 11826), (1620, 11534), (1752, 10665), (1896, 9855), (1971, 9480), (2133, 8760), (2190, 8532), (2370, 7884), (2628, 7110), (2844, 6570), (2920, 6399), (3160, 5913), (3240, 5767), (3285, 5688), (3555, 5256), (3942, 4740), (4266, 4380)]