638614368

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 240

約数和(自身を含む): 2185422624

約数和(自身を除く): 1546808256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 61, 63, 72, 81, 84, 96, 108, 112, 122, 126, 144, 162, 168, 183, 189, 216, 224, 244, 252, 288, 324, 336, 366, 378, 427, 432, 488, 504, 549, 567, 577, 648, 672, 732, 756, 854, 864, 976, 1008, 1098, 1134, 1154, 1281, 1296, 1464, 1512, 1647, 1708, 1731, 1952, 2016, 2196, 2268, 2308, 2562, 2592, 2928, 3024, 3294, 3416, 3462, 3843, 4039, 4392, 4536, 4616, 4941, 5124, 5193, 5856, 6048, 6588, 6832, 6924, 7686, 8078, 8784, 9072, 9232, 9882, 10248, 10386, 11529, 12117, 13176, 13664, 13848, 15372, 15579, 16156, 17568, 18144, 18464, 19764, 20496, 20772, 23058, 24234, 26352, 27696, 30744, 31158, 32312, 34587, 35197, 36351, 39528, 40992, 41544, 46116, 46737, 48468, 52704, 55392, 61488, 62316, 64624, 69174, 70394, 72702, 79056, 83088, 92232, 93474, 96936, 105591, 109053, 122976, 124632, 129248, 138348, 140788, 145404, 158112, 166176, 184464, 186948, 193872, 211182, 218106, 246379, 249264, 276696, 281576, 290808, 316773, 327159, 368928, 373896, 387744, 422364, 436212, 492758, 498528, 553392, 563152, 581616, 633546, 654318, 739137, 747792, 844728, 872424, 950319, 985516, 1106784, 1126304, 1163232, 1267092, 1308636, 1478274, 1495584, 1689456, 1744848, 1900638, 1971032, 2217411, 2534184, 2617272, 2850957, 2956548, 3378912, 3489696, 3801276, 3942064, 4434822, 5068368, 5234544, 5701914, 5913096, 6652233, 7602552, 7884128, 8869644, 10136736, 10469088, 11403828, 11826192, 13304466, 15205104, 17739288, 19956699, 22807656, 23652384, 26608932, 30410208, 35478576, 39913398, 45615312, 53217864, 70957152, 79826796, 91230624, 106435728, 159653592, 212871456, 319307184, 638614368]

約数ペア:

[(1, 638614368), (2, 319307184), (3, 212871456), (4, 159653592), (6, 106435728), (7, 91230624), (8, 79826796), (9, 70957152), (12, 53217864), (14, 45615312), (16, 39913398), (18, 35478576), (21, 30410208), (24, 26608932), (27, 23652384), (28, 22807656), (32, 19956699), (36, 17739288), (42, 15205104), (48, 13304466), (54, 11826192), (56, 11403828), (61, 10469088), (63, 10136736), (72, 8869644), (81, 7884128), (84, 7602552), (96, 6652233), (108, 5913096), (112, 5701914), (122, 5234544), (126, 5068368), (144, 4434822), (162, 3942064), (168, 3801276), (183, 3489696), (189, 3378912), (216, 2956548), (224, 2850957), (244, 2617272), (252, 2534184), (288, 2217411), (324, 1971032), (336, 1900638), (366, 1744848), (378, 1689456), (427, 1495584), (432, 1478274), (488, 1308636), (504, 1267092), (549, 1163232), (567, 1126304), (577, 1106784), (648, 985516), (672, 950319), (732, 872424), (756, 844728), (854, 747792), (864, 739137), (976, 654318), (1008, 633546), (1098, 581616), (1134, 563152), (1154, 553392), (1281, 498528), (1296, 492758), (1464, 436212), (1512, 422364), (1647, 387744), (1708, 373896), (1731, 368928), (1952, 327159), (2016, 316773), (2196, 290808), (2268, 281576), (2308, 276696), (2562, 249264), (2592, 246379), (2928, 218106), (3024, 211182), (3294, 193872), (3416, 186948), (3462, 184464), (3843, 166176), (4039, 158112), (4392, 145404), (4536, 140788), (4616, 138348), (4941, 129248), (5124, 124632), (5193, 122976), (5856, 109053), (6048, 105591), (6588, 96936), (6832, 93474), (6924, 92232), (7686, 83088), (8078, 79056), (8784, 72702), (9072, 70394), (9232, 69174), (9882, 64624), (10248, 62316), (10386, 61488), (11529, 55392), (12117, 52704), (13176, 48468), (13664, 46737), (13848, 46116), (15372, 41544), (15579, 40992), (16156, 39528), (17568, 36351), (18144, 35197), (18464, 34587), (19764, 32312), (20496, 31158), (20772, 30744), (23058, 27696), (24234, 26352)]