858081420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 288

約数和(自身を含む): 3180602880

約数和(自身を除く): 2322521460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 73, 76, 84, 90, 95, 105, 114, 126, 133, 140, 146, 171, 180, 190, 210, 219, 228, 252, 266, 285, 292, 315, 342, 365, 380, 399, 420, 438, 491, 511, 532, 570, 630, 657, 665, 684, 730, 798, 855, 876, 982, 1022, 1095, 1140, 1197, 1260, 1314, 1330, 1387, 1460, 1473, 1533, 1596, 1710, 1964, 1995, 2044, 2190, 2394, 2455, 2555, 2628, 2660, 2774, 2946, 3066, 3285, 3420, 3437, 3990, 4161, 4380, 4419, 4599, 4788, 4910, 5110, 5548, 5892, 5985, 6132, 6570, 6874, 6935, 7365, 7665, 7980, 8322, 8838, 9198, 9329, 9709, 9820, 10220, 10311, 11970, 12483, 13140, 13748, 13870, 14730, 15330, 16644, 17185, 17676, 18396, 18658, 19418, 20622, 20805, 22095, 22995, 23940, 24966, 27740, 27987, 29127, 29460, 30660, 30933, 34370, 35843, 37316, 38836, 41244, 41610, 44190, 45990, 46645, 48545, 49932, 51555, 55974, 58254, 61866, 62415, 65303, 68740, 71686, 83220, 83961, 87381, 88380, 91980, 93290, 97090, 103110, 107529, 111948, 116508, 123732, 124830, 130606, 139935, 143372, 145635, 154665, 167922, 174762, 179215, 186580, 194180, 195909, 206220, 215058, 249660, 250901, 261212, 279870, 291270, 309330, 322587, 326515, 335844, 349524, 358430, 391818, 419805, 430116, 436905, 501802, 537645, 559740, 582540, 587727, 618660, 645174, 653030, 681017, 716860, 752703, 783636, 839610, 873810, 979545, 1003604, 1075290, 1175454, 1254505, 1290348, 1306060, 1362034, 1505406, 1612935, 1679220, 1747620, 1959090, 2043051, 2150580, 2258109, 2350908, 2509010, 2724068, 2938635, 3010812, 3225870, 3405085, 3763515, 3918180, 4086102, 4516218, 4767119, 5018020, 5877270, 6129153, 6451740, 6810170, 7527030, 8172204, 9032436, 9534238, 10215255, 11290545, 11754540, 12258306, 13620340, 14301357, 15054060, 19068476, 20430510, 22581090, 23835595, 24516612, 28602714, 30645765, 40861020, 42904071, 45162180, 47671190, 57205428, 61291530, 71506785, 85808142, 95342380, 122583060, 143013570, 171616284, 214520355, 286027140, 429040710, 858081420]

約数ペア:

[(1, 858081420), (2, 429040710), (3, 286027140), (4, 214520355), (5, 171616284), (6, 143013570), (7, 122583060), (9, 95342380), (10, 85808142), (12, 71506785), (14, 61291530), (15, 57205428), (18, 47671190), (19, 45162180), (20, 42904071), (21, 40861020), (28, 30645765), (30, 28602714), (35, 24516612), (36, 23835595), (38, 22581090), (42, 20430510), (45, 19068476), (57, 15054060), (60, 14301357), (63, 13620340), (70, 12258306), (73, 11754540), (76, 11290545), (84, 10215255), (90, 9534238), (95, 9032436), (105, 8172204), (114, 7527030), (126, 6810170), (133, 6451740), (140, 6129153), (146, 5877270), (171, 5018020), (180, 4767119), (190, 4516218), (210, 4086102), (219, 3918180), (228, 3763515), (252, 3405085), (266, 3225870), (285, 3010812), (292, 2938635), (315, 2724068), (342, 2509010), (365, 2350908), (380, 2258109), (399, 2150580), (420, 2043051), (438, 1959090), (491, 1747620), (511, 1679220), (532, 1612935), (570, 1505406), (630, 1362034), (657, 1306060), (665, 1290348), (684, 1254505), (730, 1175454), (798, 1075290), (855, 1003604), (876, 979545), (982, 873810), (1022, 839610), (1095, 783636), (1140, 752703), (1197, 716860), (1260, 681017), (1314, 653030), (1330, 645174), (1387, 618660), (1460, 587727), (1473, 582540), (1533, 559740), (1596, 537645), (1710, 501802), (1964, 436905), (1995, 430116), (2044, 419805), (2190, 391818), (2394, 358430), (2455, 349524), (2555, 335844), (2628, 326515), (2660, 322587), (2774, 309330), (2946, 291270), (3066, 279870), (3285, 261212), (3420, 250901), (3437, 249660), (3990, 215058), (4161, 206220), (4380, 195909), (4419, 194180), (4599, 186580), (4788, 179215), (4910, 174762), (5110, 167922), (5548, 154665), (5892, 145635), (5985, 143372), (6132, 139935), (6570, 130606), (6874, 124830), (6935, 123732), (7365, 116508), (7665, 111948), (7980, 107529), (8322, 103110), (8838, 97090), (9198, 93290), (9329, 91980), (9709, 88380), (9820, 87381), (10220, 83961), (10311, 83220), (11970, 71686), (12483, 68740), (13140, 65303), (13748, 62415), (13870, 61866), (14730, 58254), (15330, 55974), (16644, 51555), (17185, 49932), (17676, 48545), (18396, 46645), (18658, 45990), (19418, 44190), (20622, 41610), (20805, 41244), (22095, 38836), (22995, 37316), (23940, 35843), (24966, 34370), (27740, 30933), (27987, 30660), (29127, 29460)]