78187680

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{2011}}^1$

素因数の和:2041

約数の個数: 144

約数和(自身を含む): 276835104

約数和(自身を除く): 198647424

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2011, 2160, 2430, 2592, 3240, 3888, 4022, 4320, 4860, 6033, 6480, 7776, 8044, 9720, 10055, 12066, 12960, 16088, 18099, 19440, 20110, 24132, 30165, 32176, 36198, 38880, 40220, 48264, 54297, 60330, 64352, 72396, 80440, 90495, 96528, 108594, 120660, 144792, 160880, 162891, 180990, 193056, 217188, 241320, 271485, 289584, 321760, 325782, 361980, 434376, 482640, 488673, 542970, 579168, 651564, 723960, 814455, 868752, 965280, 977346, 1085940, 1303128, 1447920, 1628910, 1737504, 1954692, 2171880, 2443365, 2606256, 2895840, 3257820, 3909384, 4343760, 4886730, 5212512, 6515640, 7818768, 8687520, 9773460, 13031280, 15637536, 19546920, 26062560, 39093840, 78187680]

約数ペア:

[(1, 78187680), (2, 39093840), (3, 26062560), (4, 19546920), (5, 15637536), (6, 13031280), (8, 9773460), (9, 8687520), (10, 7818768), (12, 6515640), (15, 5212512), (16, 4886730), (18, 4343760), (20, 3909384), (24, 3257820), (27, 2895840), (30, 2606256), (32, 2443365), (36, 2171880), (40, 1954692), (45, 1737504), (48, 1628910), (54, 1447920), (60, 1303128), (72, 1085940), (80, 977346), (81, 965280), (90, 868752), (96, 814455), (108, 723960), (120, 651564), (135, 579168), (144, 542970), (160, 488673), (162, 482640), (180, 434376), (216, 361980), (240, 325782), (243, 321760), (270, 289584), (288, 271485), (324, 241320), (360, 217188), (405, 193056), (432, 180990), (480, 162891), (486, 160880), (540, 144792), (648, 120660), (720, 108594), (810, 96528), (864, 90495), (972, 80440), (1080, 72396), (1215, 64352), (1296, 60330), (1440, 54297), (1620, 48264), (1944, 40220), (2011, 38880), (2160, 36198), (2430, 32176), (2592, 30165), (3240, 24132), (3888, 20110), (4022, 19440), (4320, 18099), (4860, 16088), (6033, 12960), (6480, 12066), (7776, 10055), (8044, 9720)]