19983600

素因数分解:

$2^4\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:105

約数の個数: 360

約数和(自身を含む): 86751392

約数和(自身を除く): 66767792

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 50, 52, 56, 60, 61, 63, 65, 70, 72, 75, 78, 80, 84, 90, 91, 100, 104, 105, 112, 117, 120, 122, 126, 130, 140, 144, 150, 156, 168, 175, 180, 182, 183, 195, 200, 208, 210, 225, 234, 240, 244, 252, 260, 273, 280, 300, 305, 312, 315, 325, 336, 350, 360, 364, 366, 390, 400, 420, 427, 450, 455, 468, 488, 504, 520, 525, 546, 549, 560, 585, 600, 610, 624, 630, 650, 700, 720, 728, 732, 780, 793, 819, 840, 854, 900, 910, 915, 936, 975, 976, 1008, 1040, 1050, 1092, 1098, 1170, 1200, 1220, 1260, 1281, 1300, 1365, 1400, 1456, 1464, 1525, 1560, 1575, 1586, 1638, 1680, 1708, 1800, 1820, 1830, 1872, 1950, 2100, 2135, 2184, 2196, 2275, 2340, 2379, 2440, 2520, 2562, 2600, 2730, 2745, 2800, 2925, 2928, 3050, 3120, 3150, 3172, 3276, 3416, 3600, 3640, 3660, 3843, 3900, 3965, 4095, 4200, 4270, 4368, 4392, 4550, 4575, 4680, 4758, 4880, 5040, 5124, 5200, 5460, 5490, 5551, 5850, 6100, 6300, 6344, 6405, 6552, 6825, 6832, 7137, 7280, 7320, 7686, 7800, 7930, 8190, 8400, 8540, 8784, 9100, 9150, 9360, 9516, 10248, 10675, 10920, 10980, 11102, 11700, 11895, 12200, 12600, 12688, 12810, 13104, 13650, 13725, 14274, 14640, 15372, 15600, 15860, 16380, 16653, 17080, 18200, 18300, 19032, 19215, 19825, 20475, 20496, 21350, 21840, 21960, 22204, 23400, 23790, 24400, 25200, 25620, 27300, 27450, 27755, 28548, 30744, 31720, 32025, 32760, 33306, 34160, 35685, 36400, 36600, 38064, 38430, 39650, 40950, 42700, 43920, 44408, 46800, 47580, 49959, 51240, 54600, 54900, 55510, 57096, 59475, 61488, 63440, 64050, 65520, 66612, 71370, 73200, 76860, 79300, 81900, 83265, 85400, 88816, 95160, 96075, 99918, 102480, 109200, 109800, 111020, 114192, 118950, 128100, 133224, 138775, 142740, 153720, 158600, 163800, 166530, 170800, 178425, 190320, 192150, 199836, 219600, 222040, 237900, 249795, 256200, 266448, 277550, 285480, 307440, 317200, 327600, 333060, 356850, 384300, 399672, 416325, 444080, 475800, 499590, 512400, 555100, 570960, 666120, 713700, 768600, 799344, 832650, 951600, 999180, 1110200, 1248975, 1332240, 1427400, 1537200, 1665300, 1998360, 2220400, 2497950, 2854800, 3330600, 3996720, 4995900, 6661200, 9991800, 19983600]

約数ペア:

[(1, 19983600), (2, 9991800), (3, 6661200), (4, 4995900), (5, 3996720), (6, 3330600), (7, 2854800), (8, 2497950), (9, 2220400), (10, 1998360), (12, 1665300), (13, 1537200), (14, 1427400), (15, 1332240), (16, 1248975), (18, 1110200), (20, 999180), (21, 951600), (24, 832650), (25, 799344), (26, 768600), (28, 713700), (30, 666120), (35, 570960), (36, 555100), (39, 512400), (40, 499590), (42, 475800), (45, 444080), (48, 416325), (50, 399672), (52, 384300), (56, 356850), (60, 333060), (61, 327600), (63, 317200), (65, 307440), (70, 285480), (72, 277550), (75, 266448), (78, 256200), (80, 249795), (84, 237900), (90, 222040), (91, 219600), (100, 199836), (104, 192150), (105, 190320), (112, 178425), (117, 170800), (120, 166530), (122, 163800), (126, 158600), (130, 153720), (140, 142740), (144, 138775), (150, 133224), (156, 128100), (168, 118950), (175, 114192), (180, 111020), (182, 109800), (183, 109200), (195, 102480), (200, 99918), (208, 96075), (210, 95160), (225, 88816), (234, 85400), (240, 83265), (244, 81900), (252, 79300), (260, 76860), (273, 73200), (280, 71370), (300, 66612), (305, 65520), (312, 64050), (315, 63440), (325, 61488), (336, 59475), (350, 57096), (360, 55510), (364, 54900), (366, 54600), (390, 51240), (400, 49959), (420, 47580), (427, 46800), (450, 44408), (455, 43920), (468, 42700), (488, 40950), (504, 39650), (520, 38430), (525, 38064), (546, 36600), (549, 36400), (560, 35685), (585, 34160), (600, 33306), (610, 32760), (624, 32025), (630, 31720), (650, 30744), (700, 28548), (720, 27755), (728, 27450), (732, 27300), (780, 25620), (793, 25200), (819, 24400), (840, 23790), (854, 23400), (900, 22204), (910, 21960), (915, 21840), (936, 21350), (975, 20496), (976, 20475), (1008, 19825), (1040, 19215), (1050, 19032), (1092, 18300), (1098, 18200), (1170, 17080), (1200, 16653), (1220, 16380), (1260, 15860), (1281, 15600), (1300, 15372), (1365, 14640), (1400, 14274), (1456, 13725), (1464, 13650), (1525, 13104), (1560, 12810), (1575, 12688), (1586, 12600), (1638, 12200), (1680, 11895), (1708, 11700), (1800, 11102), (1820, 10980), (1830, 10920), (1872, 10675), (1950, 10248), (2100, 9516), (2135, 9360), (2184, 9150), (2196, 9100), (2275, 8784), (2340, 8540), (2379, 8400), (2440, 8190), (2520, 7930), (2562, 7800), (2600, 7686), (2730, 7320), (2745, 7280), (2800, 7137), (2925, 6832), (2928, 6825), (3050, 6552), (3120, 6405), (3150, 6344), (3172, 6300), (3276, 6100), (3416, 5850), (3600, 5551), (3640, 5490), (3660, 5460), (3843, 5200), (3900, 5124), (3965, 5040), (4095, 4880), (4200, 4758), (4270, 4680), (4368, 4575), (4392, 4550)]