28770840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{233}}^1$

素因数の和:271

約数の個数: 192

約数和(自身を含む): 109512000

約数和(自身を除く): 80741160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 233, 245, 252, 280, 294, 315, 343, 360, 392, 420, 441, 466, 490, 504, 588, 630, 686, 699, 735, 840, 882, 932, 980, 1029, 1165, 1176, 1260, 1372, 1398, 1470, 1631, 1715, 1764, 1864, 1960, 2058, 2097, 2205, 2330, 2520, 2744, 2796, 2940, 3087, 3262, 3430, 3495, 3528, 4116, 4194, 4410, 4660, 4893, 5145, 5592, 5880, 6174, 6524, 6860, 6990, 8155, 8232, 8388, 8820, 9320, 9786, 10290, 10485, 11417, 12348, 13048, 13720, 13980, 14679, 15435, 16310, 16776, 17640, 19572, 20580, 20970, 22834, 24465, 24696, 27960, 29358, 30870, 32620, 34251, 39144, 41160, 41940, 45668, 48930, 57085, 58716, 61740, 65240, 68502, 73395, 79919, 83880, 91336, 97860, 102753, 114170, 117432, 123480, 137004, 146790, 159838, 171255, 195720, 205506, 228340, 239757, 274008, 293580, 319676, 342510, 399595, 411012, 456680, 479514, 513765, 587160, 639352, 685020, 719271, 799190, 822024, 959028, 1027530, 1198785, 1370040, 1438542, 1598380, 1918056, 2055060, 2397570, 2877084, 3196760, 3596355, 4110120, 4795140, 5754168, 7192710, 9590280, 14385420, 28770840]

約数ペア:

[(1, 28770840), (2, 14385420), (3, 9590280), (4, 7192710), (5, 5754168), (6, 4795140), (7, 4110120), (8, 3596355), (9, 3196760), (10, 2877084), (12, 2397570), (14, 2055060), (15, 1918056), (18, 1598380), (20, 1438542), (21, 1370040), (24, 1198785), (28, 1027530), (30, 959028), (35, 822024), (36, 799190), (40, 719271), (42, 685020), (45, 639352), (49, 587160), (56, 513765), (60, 479514), (63, 456680), (70, 411012), (72, 399595), (84, 342510), (90, 319676), (98, 293580), (105, 274008), (120, 239757), (126, 228340), (140, 205506), (147, 195720), (168, 171255), (180, 159838), (196, 146790), (210, 137004), (233, 123480), (245, 117432), (252, 114170), (280, 102753), (294, 97860), (315, 91336), (343, 83880), (360, 79919), (392, 73395), (420, 68502), (441, 65240), (466, 61740), (490, 58716), (504, 57085), (588, 48930), (630, 45668), (686, 41940), (699, 41160), (735, 39144), (840, 34251), (882, 32620), (932, 30870), (980, 29358), (1029, 27960), (1165, 24696), (1176, 24465), (1260, 22834), (1372, 20970), (1398, 20580), (1470, 19572), (1631, 17640), (1715, 16776), (1764, 16310), (1864, 15435), (1960, 14679), (2058, 13980), (2097, 13720), (2205, 13048), (2330, 12348), (2520, 11417), (2744, 10485), (2796, 10290), (2940, 9786), (3087, 9320), (3262, 8820), (3430, 8388), (3495, 8232), (3528, 8155), (4116, 6990), (4194, 6860), (4410, 6524), (4660, 6174), (4893, 5880), (5145, 5592)]