18495540

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{233}}^1$

素因数の和:268

約数の個数: 180

約数和(自身を含む): 67783716

約数和(自身を除く): 49288176

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 233, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 466, 490, 540, 567, 588, 630, 699, 735, 756, 810, 882, 932, 945, 980, 1134, 1165, 1260, 1323, 1398, 1470, 1620, 1631, 1764, 1890, 2097, 2205, 2268, 2330, 2646, 2796, 2835, 2940, 3262, 3495, 3780, 3969, 4194, 4410, 4660, 4893, 5292, 5670, 6291, 6524, 6615, 6990, 7938, 8155, 8388, 8820, 9786, 10485, 11340, 11417, 12582, 13230, 13980, 14679, 15876, 16310, 18873, 19572, 19845, 20970, 22834, 24465, 25164, 26460, 29358, 31455, 32620, 34251, 37746, 39690, 41940, 44037, 45668, 48930, 57085, 58716, 62910, 68502, 73395, 75492, 79380, 88074, 94365, 97860, 102753, 114170, 125820, 132111, 137004, 146790, 171255, 176148, 188730, 205506, 220185, 228340, 264222, 293580, 308259, 342510, 377460, 411012, 440370, 513765, 528444, 616518, 660555, 685020, 880740, 924777, 1027530, 1233036, 1321110, 1541295, 1849554, 2055060, 2642220, 3082590, 3699108, 4623885, 6165180, 9247770, 18495540]

約数ペア:

[(1, 18495540), (2, 9247770), (3, 6165180), (4, 4623885), (5, 3699108), (6, 3082590), (7, 2642220), (9, 2055060), (10, 1849554), (12, 1541295), (14, 1321110), (15, 1233036), (18, 1027530), (20, 924777), (21, 880740), (27, 685020), (28, 660555), (30, 616518), (35, 528444), (36, 513765), (42, 440370), (45, 411012), (49, 377460), (54, 342510), (60, 308259), (63, 293580), (70, 264222), (81, 228340), (84, 220185), (90, 205506), (98, 188730), (105, 176148), (108, 171255), (126, 146790), (135, 137004), (140, 132111), (147, 125820), (162, 114170), (180, 102753), (189, 97860), (196, 94365), (210, 88074), (233, 79380), (245, 75492), (252, 73395), (270, 68502), (294, 62910), (315, 58716), (324, 57085), (378, 48930), (405, 45668), (420, 44037), (441, 41940), (466, 39690), (490, 37746), (540, 34251), (567, 32620), (588, 31455), (630, 29358), (699, 26460), (735, 25164), (756, 24465), (810, 22834), (882, 20970), (932, 19845), (945, 19572), (980, 18873), (1134, 16310), (1165, 15876), (1260, 14679), (1323, 13980), (1398, 13230), (1470, 12582), (1620, 11417), (1631, 11340), (1764, 10485), (1890, 9786), (2097, 8820), (2205, 8388), (2268, 8155), (2330, 7938), (2646, 6990), (2796, 6615), (2835, 6524), (2940, 6291), (3262, 5670), (3495, 5292), (3780, 4893), (3969, 4660), (4194, 4410)]