1815996840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^2\times {\mathrm{83}}^1$

素因数の和:233

約数の個数: 288

約数和(自身を含む): 6520681440

約数和(自身を除く): 4704684600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 83, 84, 98, 105, 120, 122, 140, 147, 166, 168, 183, 196, 210, 244, 245, 249, 280, 294, 305, 332, 366, 392, 415, 420, 427, 488, 490, 498, 581, 588, 610, 664, 732, 735, 830, 840, 854, 915, 980, 996, 1162, 1176, 1220, 1245, 1281, 1464, 1470, 1660, 1708, 1743, 1830, 1960, 1992, 2135, 2324, 2440, 2490, 2562, 2905, 2940, 2989, 3320, 3416, 3486, 3660, 3721, 4067, 4270, 4648, 4980, 5063, 5124, 5810, 5880, 5978, 6405, 6972, 7320, 7442, 8134, 8540, 8715, 8967, 9960, 10126, 10248, 11163, 11620, 11956, 12201, 12810, 13944, 14884, 14945, 15189, 16268, 17080, 17430, 17934, 18605, 20252, 20335, 22326, 23240, 23912, 24402, 25315, 25620, 26047, 29768, 29890, 30378, 32536, 34860, 35441, 35868, 37210, 40504, 40670, 44652, 44835, 48804, 50630, 51240, 52094, 55815, 59780, 60756, 61005, 69720, 70882, 71736, 74420, 75945, 78141, 81340, 89304, 89670, 97608, 101260, 104188, 106323, 111630, 119560, 121512, 122010, 130235, 141764, 148840, 151890, 156282, 162680, 177205, 179340, 182329, 202520, 208376, 212646, 223260, 244020, 248087, 260470, 283528, 303780, 308843, 312564, 354410, 358680, 364658, 390705, 425292, 446520, 488040, 496174, 520940, 531615, 546987, 607560, 617686, 625128, 708820, 729316, 744261, 781410, 850584, 911645, 926529, 992348, 1041880, 1063230, 1093974, 1235372, 1240435, 1417640, 1458632, 1488522, 1544215, 1562820, 1823290, 1853058, 1984696, 2126460, 2161901, 2187948, 2470744, 2480870, 2734935, 2977044, 3088430, 3125640, 3646580, 3706116, 3721305, 4252920, 4323802, 4375896, 4632645, 4961740, 5469870, 5954088, 6176860, 6485703, 7293160, 7412232, 7442610, 8647604, 9265290, 9923480, 10809505, 10939740, 12353720, 12971406, 14885220, 15133307, 17295208, 18530580, 21619010, 21879480, 25942812, 29770440, 30266614, 32428515, 37061160, 43238020, 45399921, 51885624, 60533228, 64857030, 75666535, 86476040, 90799842, 121066456, 129714060, 151333070, 181599684, 226999605, 259428120, 302666140, 363199368, 453999210, 605332280, 907998420, 1815996840]

約数ペア:

[(1, 1815996840), (2, 907998420), (3, 605332280), (4, 453999210), (5, 363199368), (6, 302666140), (7, 259428120), (8, 226999605), (10, 181599684), (12, 151333070), (14, 129714060), (15, 121066456), (20, 90799842), (21, 86476040), (24, 75666535), (28, 64857030), (30, 60533228), (35, 51885624), (40, 45399921), (42, 43238020), (49, 37061160), (56, 32428515), (60, 30266614), (61, 29770440), (70, 25942812), (83, 21879480), (84, 21619010), (98, 18530580), (105, 17295208), (120, 15133307), (122, 14885220), (140, 12971406), (147, 12353720), (166, 10939740), (168, 10809505), (183, 9923480), (196, 9265290), (210, 8647604), (244, 7442610), (245, 7412232), (249, 7293160), (280, 6485703), (294, 6176860), (305, 5954088), (332, 5469870), (366, 4961740), (392, 4632645), (415, 4375896), (420, 4323802), (427, 4252920), (488, 3721305), (490, 3706116), (498, 3646580), (581, 3125640), (588, 3088430), (610, 2977044), (664, 2734935), (732, 2480870), (735, 2470744), (830, 2187948), (840, 2161901), (854, 2126460), (915, 1984696), (980, 1853058), (996, 1823290), (1162, 1562820), (1176, 1544215), (1220, 1488522), (1245, 1458632), (1281, 1417640), (1464, 1240435), (1470, 1235372), (1660, 1093974), (1708, 1063230), (1743, 1041880), (1830, 992348), (1960, 926529), (1992, 911645), (2135, 850584), (2324, 781410), (2440, 744261), (2490, 729316), (2562, 708820), (2905, 625128), (2940, 617686), (2989, 607560), (3320, 546987), (3416, 531615), (3486, 520940), (3660, 496174), (3721, 488040), (4067, 446520), (4270, 425292), (4648, 390705), (4980, 364658), (5063, 358680), (5124, 354410), (5810, 312564), (5880, 308843), (5978, 303780), (6405, 283528), (6972, 260470), (7320, 248087), (7442, 244020), (8134, 223260), (8540, 212646), (8715, 208376), (8967, 202520), (9960, 182329), (10126, 179340), (10248, 177205), (11163, 162680), (11620, 156282), (11956, 151890), (12201, 148840), (12810, 141764), (13944, 130235), (14884, 122010), (14945, 121512), (15189, 119560), (16268, 111630), (17080, 106323), (17430, 104188), (17934, 101260), (18605, 97608), (20252, 89670), (20335, 89304), (22326, 81340), (23240, 78141), (23912, 75945), (24402, 74420), (25315, 71736), (25620, 70882), (26047, 69720), (29768, 61005), (29890, 60756), (30378, 59780), (32536, 55815), (34860, 52094), (35441, 51240), (35868, 50630), (37210, 48804), (40504, 44835), (40670, 44652)]