1218713040

素因数分解:

$2^4\times 3^6\times 5^1\times {\mathrm{20897}}^1$

素因数の和:20928

約数の個数: 140

約数和(自身を含む): 4248521604

約数和(自身を除く): 3029808564

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 729, 810, 972, 1080, 1215, 1296, 1458, 1620, 1944, 2160, 2430, 2916, 3240, 3645, 3888, 4860, 5832, 6480, 7290, 9720, 11664, 14580, 19440, 20897, 29160, 41794, 58320, 62691, 83588, 104485, 125382, 167176, 188073, 208970, 250764, 313455, 334352, 376146, 417940, 501528, 564219, 626910, 752292, 835880, 940365, 1003056, 1128438, 1253820, 1504584, 1671760, 1692657, 1880730, 2256876, 2507640, 2821095, 3009168, 3385314, 3761460, 4513752, 5015280, 5077971, 5642190, 6770628, 7522920, 8463285, 9027504, 10155942, 11284380, 13541256, 15045840, 15233913, 16926570, 20311884, 22568760, 25389855, 27082512, 30467826, 33853140, 40623768, 45137520, 50779710, 60935652, 67706280, 76169565, 81247536, 101559420, 121871304, 135412560, 152339130, 203118840, 243742608, 304678260, 406237680, 609356520, 1218713040]

約数ペア:

[(1, 1218713040), (2, 609356520), (3, 406237680), (4, 304678260), (5, 243742608), (6, 203118840), (8, 152339130), (9, 135412560), (10, 121871304), (12, 101559420), (15, 81247536), (16, 76169565), (18, 67706280), (20, 60935652), (24, 50779710), (27, 45137520), (30, 40623768), (36, 33853140), (40, 30467826), (45, 27082512), (48, 25389855), (54, 22568760), (60, 20311884), (72, 16926570), (80, 15233913), (81, 15045840), (90, 13541256), (108, 11284380), (120, 10155942), (135, 9027504), (144, 8463285), (162, 7522920), (180, 6770628), (216, 5642190), (240, 5077971), (243, 5015280), (270, 4513752), (324, 3761460), (360, 3385314), (405, 3009168), (432, 2821095), (486, 2507640), (540, 2256876), (648, 1880730), (720, 1692657), (729, 1671760), (810, 1504584), (972, 1253820), (1080, 1128438), (1215, 1003056), (1296, 940365), (1458, 835880), (1620, 752292), (1944, 626910), (2160, 564219), (2430, 501528), (2916, 417940), (3240, 376146), (3645, 334352), (3888, 313455), (4860, 250764), (5832, 208970), (6480, 188073), (7290, 167176), (9720, 125382), (11664, 104485), (14580, 83588), (19440, 62691), (20897, 58320), (29160, 41794)]