813551040

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{31387}}^1$

素因数の和:31416

約数の個数: 140

約数和(自身を含む): 2894036376

約数和(自身を除く): 2080485336

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 405, 432, 480, 540, 576, 648, 720, 810, 864, 960, 1080, 1296, 1440, 1620, 1728, 2160, 2592, 2880, 3240, 4320, 5184, 6480, 8640, 12960, 25920, 31387, 62774, 94161, 125548, 156935, 188322, 251096, 282483, 313870, 376644, 470805, 502192, 564966, 627740, 753288, 847449, 941610, 1004384, 1129932, 1255480, 1412415, 1506576, 1694898, 1883220, 2008768, 2259864, 2510960, 2542347, 2824830, 3013152, 3389796, 3766440, 4237245, 4519728, 5021920, 5084694, 5649660, 6026304, 6779592, 7532880, 8474490, 9039456, 10043840, 10169388, 11299320, 12711735, 13559184, 15065760, 16948980, 18078912, 20338776, 22598640, 25423470, 27118368, 30131520, 33897960, 40677552, 45197280, 50846940, 54236736, 67795920, 81355104, 90394560, 101693880, 135591840, 162710208, 203387760, 271183680, 406775520, 813551040]

約数ペア:

[(1, 813551040), (2, 406775520), (3, 271183680), (4, 203387760), (5, 162710208), (6, 135591840), (8, 101693880), (9, 90394560), (10, 81355104), (12, 67795920), (15, 54236736), (16, 50846940), (18, 45197280), (20, 40677552), (24, 33897960), (27, 30131520), (30, 27118368), (32, 25423470), (36, 22598640), (40, 20338776), (45, 18078912), (48, 16948980), (54, 15065760), (60, 13559184), (64, 12711735), (72, 11299320), (80, 10169388), (81, 10043840), (90, 9039456), (96, 8474490), (108, 7532880), (120, 6779592), (135, 6026304), (144, 5649660), (160, 5084694), (162, 5021920), (180, 4519728), (192, 4237245), (216, 3766440), (240, 3389796), (270, 3013152), (288, 2824830), (320, 2542347), (324, 2510960), (360, 2259864), (405, 2008768), (432, 1883220), (480, 1694898), (540, 1506576), (576, 1412415), (648, 1255480), (720, 1129932), (810, 1004384), (864, 941610), (960, 847449), (1080, 753288), (1296, 627740), (1440, 564966), (1620, 502192), (1728, 470805), (2160, 376644), (2592, 313870), (2880, 282483), (3240, 251096), (4320, 188322), (5184, 156935), (6480, 125548), (8640, 94161), (12960, 62774), (25920, 31387)]