18888919920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{106213}}^1$

素因数の和:106264

約数の個数: 240

約数和(自身を含む): 71911126560

約数和(自身を除く): 53022206640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2470, 2736, 2964, 3120, 3420, 3705, 3952, 4446, 4560, 4680, 4940, 5928, 6840, 7410, 8892, 9360, 9880, 11115, 11856, 13680, 14820, 17784, 19760, 22230, 29640, 35568, 44460, 59280, 88920, 106213, 177840, 212426, 318639, 424852, 531065, 637278, 849704, 955917, 1062130, 1274556, 1380769, 1593195, 1699408, 1911834, 2018047, 2124260, 2549112, 2761538, 3186390, 3823668, 4036094, 4142307, 4248520, 4779585, 5098224, 5523076, 6054141, 6372780, 6903845, 7647336, 8072188, 8284614, 8497040, 9559170, 10090235, 11046152, 12108282, 12426921, 12745560, 13807690, 15294672, 16144376, 16569228, 18162423, 19118340, 20180470, 20711535, 22092304, 24216564, 24853842, 25491120, 26234611, 27615380, 30270705, 32288752, 33138456, 36324846, 38236680, 40360940, 41423070, 48433128, 49707684, 52469222, 55230760, 60541410, 62134605, 66276912, 72649692, 76473360, 78703833, 80721880, 82846140, 90812115, 96866256, 99415368, 104938444, 110461520, 121082820, 124269210, 131173055, 145299384, 157407666, 161443760, 165692280, 181624230, 198830736, 209876888, 236111499, 242165640, 248538420, 262346110, 290598768, 314815332, 331384560, 363248460, 393519165, 419753776, 472222998, 484331280, 497076840, 524692220, 629630664, 726496920, 787038330, 944445996, 994153680, 1049384440, 1180557495, 1259261328, 1452993840, 1574076660, 1888891992, 2098768880, 2361114990, 3148153320, 3777783984, 4722229980, 6296306640, 9444459960, 18888919920]

約数ペア:

[(1, 18888919920), (2, 9444459960), (3, 6296306640), (4, 4722229980), (5, 3777783984), (6, 3148153320), (8, 2361114990), (9, 2098768880), (10, 1888891992), (12, 1574076660), (13, 1452993840), (15, 1259261328), (16, 1180557495), (18, 1049384440), (19, 994153680), (20, 944445996), (24, 787038330), (26, 726496920), (30, 629630664), (36, 524692220), (38, 497076840), (39, 484331280), (40, 472222998), (45, 419753776), (48, 393519165), (52, 363248460), (57, 331384560), (60, 314815332), (65, 290598768), (72, 262346110), (76, 248538420), (78, 242165640), (80, 236111499), (90, 209876888), (95, 198830736), (104, 181624230), (114, 165692280), (117, 161443760), (120, 157407666), (130, 145299384), (144, 131173055), (152, 124269210), (156, 121082820), (171, 110461520), (180, 104938444), (190, 99415368), (195, 96866256), (208, 90812115), (228, 82846140), (234, 80721880), (240, 78703833), (247, 76473360), (260, 72649692), (285, 66276912), (304, 62134605), (312, 60541410), (342, 55230760), (360, 52469222), (380, 49707684), (390, 48433128), (456, 41423070), (468, 40360940), (494, 38236680), (520, 36324846), (570, 33138456), (585, 32288752), (624, 30270705), (684, 27615380), (720, 26234611), (741, 25491120), (760, 24853842), (780, 24216564), (855, 22092304), (912, 20711535), (936, 20180470), (988, 19118340), (1040, 18162423), (1140, 16569228), (1170, 16144376), (1235, 15294672), (1368, 13807690), (1482, 12745560), (1520, 12426921), (1560, 12108282), (1710, 11046152), (1872, 10090235), (1976, 9559170), (2223, 8497040), (2280, 8284614), (2340, 8072188), (2470, 7647336), (2736, 6903845), (2964, 6372780), (3120, 6054141), (3420, 5523076), (3705, 5098224), (3952, 4779585), (4446, 4248520), (4560, 4142307), (4680, 4036094), (4940, 3823668), (5928, 3186390), (6840, 2761538), (7410, 2549112), (8892, 2124260), (9360, 2018047), (9880, 1911834), (11115, 1699408), (11856, 1593195), (13680, 1380769), (14820, 1274556), (17784, 1062130), (19760, 955917), (22230, 849704), (29640, 637278), (35568, 531065), (44460, 424852), (59280, 318639), (88920, 212426), (106213, 177840)]