221510520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 384

約数和(自身を含む): 919226880

約数和(自身を除く): 697716360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 61, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 122, 126, 131, 132, 140, 154, 165, 168, 180, 183, 198, 210, 220, 231, 244, 252, 262, 264, 280, 305, 308, 315, 330, 360, 366, 385, 393, 396, 420, 427, 440, 462, 488, 495, 504, 524, 549, 610, 616, 630, 655, 660, 671, 693, 732, 770, 786, 792, 840, 854, 915, 917, 924, 990, 1048, 1098, 1155, 1179, 1220, 1260, 1281, 1310, 1320, 1342, 1386, 1441, 1464, 1540, 1572, 1708, 1830, 1834, 1848, 1965, 1980, 2013, 2135, 2196, 2310, 2358, 2440, 2520, 2562, 2620, 2684, 2745, 2751, 2772, 2882, 3080, 3144, 3355, 3416, 3465, 3660, 3668, 3843, 3930, 3960, 4026, 4270, 4323, 4392, 4585, 4620, 4697, 4716, 5124, 5240, 5368, 5490, 5502, 5544, 5764, 5895, 6039, 6405, 6710, 6930, 7205, 7320, 7336, 7686, 7860, 7991, 8052, 8253, 8540, 8646, 9170, 9240, 9394, 9432, 10065, 10087, 10248, 10980, 11004, 11528, 11790, 12078, 12810, 12969, 13420, 13755, 13860, 14091, 14410, 15372, 15720, 15982, 16104, 16506, 17080, 17292, 18340, 18788, 19215, 20130, 20174, 21615, 21960, 22008, 23485, 23580, 23973, 24156, 25620, 25938, 26840, 27510, 27720, 28182, 28820, 30195, 30261, 30744, 31964, 33012, 34584, 36680, 37576, 38430, 39955, 40260, 40348, 41265, 42273, 43230, 46970, 47160, 47946, 48312, 50435, 51240, 51876, 55020, 55937, 56364, 57640, 60390, 60522, 63928, 64845, 66024, 70455, 71919, 76860, 79910, 80520, 80696, 82530, 84546, 86460, 87901, 90783, 93940, 95892, 100870, 103752, 110040, 111874, 112728, 119865, 120780, 121044, 129690, 140910, 143838, 151305, 153720, 159820, 165060, 167811, 169092, 172920, 175802, 181566, 187880, 191784, 201740, 211365, 223748, 239730, 241560, 242088, 259380, 263703, 279685, 281820, 287676, 302610, 319640, 330120, 335622, 338184, 351604, 359595, 363132, 403480, 422730, 439505, 447496, 453915, 479460, 503433, 518760, 527406, 559370, 563640, 575352, 605220, 615307, 671244, 703208, 719190, 726264, 791109, 839055, 845460, 879010, 907830, 958920, 1006866, 1054812, 1118740, 1210440, 1230614, 1318515, 1342488, 1438380, 1582218, 1678110, 1690920, 1758020, 1815660, 1845921, 2013732, 2109624, 2237480, 2461228, 2517165, 2637030, 2876760, 3076535, 3164436, 3356220, 3516040, 3631320, 3691842, 3955545, 4027464, 4922456, 5034330, 5274060, 5537763, 6153070, 6328872, 6712440, 7383684, 7911090, 9229605, 10068660, 10548120, 11075526, 12306140, 14767368, 15822180, 18459210, 20137320, 22151052, 24612280, 27688815, 31644360, 36918420, 44302104, 55377630, 73836840, 110755260, 221510520]

約数ペア:

[(1, 221510520), (2, 110755260), (3, 73836840), (4, 55377630), (5, 44302104), (6, 36918420), (7, 31644360), (8, 27688815), (9, 24612280), (10, 22151052), (11, 20137320), (12, 18459210), (14, 15822180), (15, 14767368), (18, 12306140), (20, 11075526), (21, 10548120), (22, 10068660), (24, 9229605), (28, 7911090), (30, 7383684), (33, 6712440), (35, 6328872), (36, 6153070), (40, 5537763), (42, 5274060), (44, 5034330), (45, 4922456), (55, 4027464), (56, 3955545), (60, 3691842), (61, 3631320), (63, 3516040), (66, 3356220), (70, 3164436), (72, 3076535), (77, 2876760), (84, 2637030), (88, 2517165), (90, 2461228), (99, 2237480), (105, 2109624), (110, 2013732), (120, 1845921), (122, 1815660), (126, 1758020), (131, 1690920), (132, 1678110), (140, 1582218), (154, 1438380), (165, 1342488), (168, 1318515), (180, 1230614), (183, 1210440), (198, 1118740), (210, 1054812), (220, 1006866), (231, 958920), (244, 907830), (252, 879010), (262, 845460), (264, 839055), (280, 791109), (305, 726264), (308, 719190), (315, 703208), (330, 671244), (360, 615307), (366, 605220), (385, 575352), (393, 563640), (396, 559370), (420, 527406), (427, 518760), (440, 503433), (462, 479460), (488, 453915), (495, 447496), (504, 439505), (524, 422730), (549, 403480), (610, 363132), (616, 359595), (630, 351604), (655, 338184), (660, 335622), (671, 330120), (693, 319640), (732, 302610), (770, 287676), (786, 281820), (792, 279685), (840, 263703), (854, 259380), (915, 242088), (917, 241560), (924, 239730), (990, 223748), (1048, 211365), (1098, 201740), (1155, 191784), (1179, 187880), (1220, 181566), (1260, 175802), (1281, 172920), (1310, 169092), (1320, 167811), (1342, 165060), (1386, 159820), (1441, 153720), (1464, 151305), (1540, 143838), (1572, 140910), (1708, 129690), (1830, 121044), (1834, 120780), (1848, 119865), (1965, 112728), (1980, 111874), (2013, 110040), (2135, 103752), (2196, 100870), (2310, 95892), (2358, 93940), (2440, 90783), (2520, 87901), (2562, 86460), (2620, 84546), (2684, 82530), (2745, 80696), (2751, 80520), (2772, 79910), (2882, 76860), (3080, 71919), (3144, 70455), (3355, 66024), (3416, 64845), (3465, 63928), (3660, 60522), (3668, 60390), (3843, 57640), (3930, 56364), (3960, 55937), (4026, 55020), (4270, 51876), (4323, 51240), (4392, 50435), (4585, 48312), (4620, 47946), (4697, 47160), (4716, 46970), (5124, 43230), (5240, 42273), (5368, 41265), (5490, 40348), (5502, 40260), (5544, 39955), (5764, 38430), (5895, 37576), (6039, 36680), (6405, 34584), (6710, 33012), (6930, 31964), (7205, 30744), (7320, 30261), (7336, 30195), (7686, 28820), (7860, 28182), (7991, 27720), (8052, 27510), (8253, 26840), (8540, 25938), (8646, 25620), (9170, 24156), (9240, 23973), (9394, 23580), (9432, 23485), (10065, 22008), (10087, 21960), (10248, 21615), (10980, 20174), (11004, 20130), (11528, 19215), (11790, 18788), (12078, 18340), (12810, 17292), (12969, 17080), (13420, 16506), (13755, 16104), (13860, 15982), (14091, 15720), (14410, 15372)]