21988891440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1\times {\mathrm{691}}^1$

素因数の和:1132

約数の個数: 240

約数和(自身を含む): 74660682720

約数和(自身を除く): 52671791280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 193, 229, 240, 360, 386, 458, 579, 687, 691, 720, 772, 916, 965, 1145, 1158, 1374, 1382, 1544, 1737, 1832, 1930, 2061, 2073, 2290, 2316, 2748, 2764, 2895, 3088, 3435, 3455, 3474, 3664, 3860, 4122, 4146, 4580, 4632, 5496, 5528, 5790, 6219, 6870, 6910, 6948, 7720, 8244, 8292, 8685, 9160, 9264, 10305, 10365, 10992, 11056, 11580, 12438, 13740, 13820, 13896, 15440, 16488, 16584, 17370, 18320, 20610, 20730, 23160, 24876, 27480, 27640, 27792, 31095, 32976, 33168, 34740, 41220, 41460, 44197, 46320, 49752, 54960, 55280, 62190, 69480, 82440, 82920, 88394, 99504, 124380, 132591, 133363, 138960, 158239, 164880, 165840, 176788, 220985, 248760, 265182, 266726, 316478, 353576, 397773, 400089, 441970, 474717, 497520, 530364, 533452, 632956, 662955, 666815, 707152, 791195, 795546, 800178, 883940, 949434, 1060728, 1066904, 1200267, 1265912, 1325910, 1333630, 1424151, 1582390, 1591092, 1600356, 1767880, 1898868, 1988865, 2000445, 2121456, 2133808, 2373585, 2400534, 2531824, 2651820, 2667260, 2848302, 3164780, 3182184, 3200712, 3535760, 3797736, 3977730, 4000890, 4747170, 4801068, 5303640, 5334520, 5696604, 6001335, 6329560, 6364368, 6401424, 7120755, 7595472, 7955460, 8001780, 9494340, 9602136, 10607280, 10669040, 11393208, 12002670, 12659120, 14241510, 15910920, 16003560, 18988680, 19204272, 22786416, 24005340, 28483020, 30540127, 31821840, 32007120, 37977360, 48010680, 56966040, 61080254, 91620381, 96021360, 113932080, 122160508, 152700635, 183240762, 244321016, 274861143, 305401270, 366481524, 458101905, 488642032, 549722286, 610802540, 732963048, 916203810, 1099444572, 1221605080, 1374305715, 1465926096, 1832407620, 2198889144, 2443210160, 2748611430, 3664815240, 4397778288, 5497222860, 7329630480, 10994445720, 21988891440]

約数ペア:

[(1, 21988891440), (2, 10994445720), (3, 7329630480), (4, 5497222860), (5, 4397778288), (6, 3664815240), (8, 2748611430), (9, 2443210160), (10, 2198889144), (12, 1832407620), (15, 1465926096), (16, 1374305715), (18, 1221605080), (20, 1099444572), (24, 916203810), (30, 732963048), (36, 610802540), (40, 549722286), (45, 488642032), (48, 458101905), (60, 366481524), (72, 305401270), (80, 274861143), (90, 244321016), (120, 183240762), (144, 152700635), (180, 122160508), (193, 113932080), (229, 96021360), (240, 91620381), (360, 61080254), (386, 56966040), (458, 48010680), (579, 37977360), (687, 32007120), (691, 31821840), (720, 30540127), (772, 28483020), (916, 24005340), (965, 22786416), (1145, 19204272), (1158, 18988680), (1374, 16003560), (1382, 15910920), (1544, 14241510), (1737, 12659120), (1832, 12002670), (1930, 11393208), (2061, 10669040), (2073, 10607280), (2290, 9602136), (2316, 9494340), (2748, 8001780), (2764, 7955460), (2895, 7595472), (3088, 7120755), (3435, 6401424), (3455, 6364368), (3474, 6329560), (3664, 6001335), (3860, 5696604), (4122, 5334520), (4146, 5303640), (4580, 4801068), (4632, 4747170), (5496, 4000890), (5528, 3977730), (5790, 3797736), (6219, 3535760), (6870, 3200712), (6910, 3182184), (6948, 3164780), (7720, 2848302), (8244, 2667260), (8292, 2651820), (8685, 2531824), (9160, 2400534), (9264, 2373585), (10305, 2133808), (10365, 2121456), (10992, 2000445), (11056, 1988865), (11580, 1898868), (12438, 1767880), (13740, 1600356), (13820, 1591092), (13896, 1582390), (15440, 1424151), (16488, 1333630), (16584, 1325910), (17370, 1265912), (18320, 1200267), (20610, 1066904), (20730, 1060728), (23160, 949434), (24876, 883940), (27480, 800178), (27640, 795546), (27792, 791195), (31095, 707152), (32976, 666815), (33168, 662955), (34740, 632956), (41220, 533452), (41460, 530364), (44197, 497520), (46320, 474717), (49752, 441970), (54960, 400089), (55280, 397773), (62190, 353576), (69480, 316478), (82440, 266726), (82920, 265182), (88394, 248760), (99504, 220985), (124380, 176788), (132591, 165840), (133363, 164880), (138960, 158239)]