218397960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{421}}^1$

素因数の和:580

約数の個数: 192

約数和(自身を含む): 782084160

約数和(自身を除く): 563686200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 131, 132, 165, 180, 198, 220, 262, 264, 330, 360, 393, 396, 421, 440, 495, 524, 655, 660, 786, 792, 842, 990, 1048, 1179, 1263, 1310, 1320, 1441, 1572, 1684, 1965, 1980, 2105, 2358, 2526, 2620, 2882, 3144, 3368, 3789, 3930, 3960, 4210, 4323, 4631, 4716, 5052, 5240, 5764, 5895, 6315, 7205, 7578, 7860, 8420, 8646, 9262, 9432, 10104, 11528, 11790, 12630, 12969, 13893, 14410, 15156, 15720, 16840, 17292, 18524, 18945, 21615, 23155, 23580, 25260, 25938, 27786, 28820, 30312, 34584, 37048, 37890, 41679, 43230, 46310, 47160, 50520, 51876, 55151, 55572, 57640, 64845, 69465, 75780, 83358, 86460, 92620, 103752, 110302, 111144, 129690, 138930, 151560, 165453, 166716, 172920, 185240, 208395, 220604, 259380, 275755, 277860, 330906, 333432, 416790, 441208, 496359, 518760, 551510, 555720, 606661, 661812, 827265, 833580, 992718, 1103020, 1213322, 1323624, 1654530, 1667160, 1819983, 1985436, 2206040, 2426644, 2481795, 3033305, 3309060, 3639966, 3970872, 4853288, 4963590, 5459949, 6066610, 6618120, 7279932, 9099915, 9927180, 10919898, 12133220, 14559864, 18199830, 19854360, 21839796, 24266440, 27299745, 36399660, 43679592, 54599490, 72799320, 109198980, 218397960]

約数ペア:

[(1, 218397960), (2, 109198980), (3, 72799320), (4, 54599490), (5, 43679592), (6, 36399660), (8, 27299745), (9, 24266440), (10, 21839796), (11, 19854360), (12, 18199830), (15, 14559864), (18, 12133220), (20, 10919898), (22, 9927180), (24, 9099915), (30, 7279932), (33, 6618120), (36, 6066610), (40, 5459949), (44, 4963590), (45, 4853288), (55, 3970872), (60, 3639966), (66, 3309060), (72, 3033305), (88, 2481795), (90, 2426644), (99, 2206040), (110, 1985436), (120, 1819983), (131, 1667160), (132, 1654530), (165, 1323624), (180, 1213322), (198, 1103020), (220, 992718), (262, 833580), (264, 827265), (330, 661812), (360, 606661), (393, 555720), (396, 551510), (421, 518760), (440, 496359), (495, 441208), (524, 416790), (655, 333432), (660, 330906), (786, 277860), (792, 275755), (842, 259380), (990, 220604), (1048, 208395), (1179, 185240), (1263, 172920), (1310, 166716), (1320, 165453), (1441, 151560), (1572, 138930), (1684, 129690), (1965, 111144), (1980, 110302), (2105, 103752), (2358, 92620), (2526, 86460), (2620, 83358), (2882, 75780), (3144, 69465), (3368, 64845), (3789, 57640), (3930, 55572), (3960, 55151), (4210, 51876), (4323, 50520), (4631, 47160), (4716, 46310), (5052, 43230), (5240, 41679), (5764, 37890), (5895, 37048), (6315, 34584), (7205, 30312), (7578, 28820), (7860, 27786), (8420, 25938), (8646, 25260), (9262, 23580), (9432, 23155), (10104, 21615), (11528, 18945), (11790, 18524), (12630, 17292), (12969, 16840), (13893, 15720), (14410, 15156)]