204718920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:268

約数の個数: 256

約数和(自身を含む): 752025600

約数和(自身を除く): 547306680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 101, 105, 114, 120, 127, 133, 140, 152, 168, 190, 202, 210, 228, 254, 266, 280, 285, 303, 380, 381, 399, 404, 420, 456, 505, 508, 532, 570, 606, 635, 665, 707, 760, 762, 798, 808, 840, 889, 1010, 1016, 1064, 1140, 1212, 1270, 1330, 1414, 1515, 1524, 1596, 1778, 1905, 1919, 1995, 2020, 2121, 2280, 2413, 2424, 2540, 2660, 2667, 2828, 3030, 3048, 3192, 3535, 3556, 3810, 3838, 3990, 4040, 4242, 4445, 4826, 5080, 5320, 5334, 5656, 5757, 6060, 7070, 7112, 7239, 7620, 7676, 7980, 8484, 8890, 9595, 9652, 10605, 10668, 11514, 12065, 12120, 12827, 13335, 13433, 14140, 14478, 15240, 15352, 15960, 16891, 16968, 17780, 19190, 19304, 21210, 21336, 23028, 24130, 25654, 26670, 26866, 28280, 28785, 28956, 33782, 35560, 36195, 38380, 38481, 40299, 42420, 46056, 48260, 50673, 51308, 53340, 53732, 57570, 57912, 64135, 67165, 67564, 72390, 76760, 76962, 80598, 84455, 84840, 89789, 96520, 101346, 102616, 106680, 107464, 115140, 128270, 134330, 135128, 144780, 153924, 161196, 168910, 179578, 192405, 201495, 202692, 230280, 243713, 253365, 256540, 268660, 269367, 289560, 307848, 322392, 337820, 359156, 384810, 402990, 405384, 448945, 487426, 506730, 513080, 537320, 538734, 675640, 718312, 731139, 769620, 805980, 897890, 974852, 1013460, 1077468, 1218565, 1346835, 1462278, 1539240, 1611960, 1705991, 1795780, 1949704, 2026920, 2154936, 2437130, 2693670, 2924556, 3411982, 3591560, 3655695, 4874260, 5117973, 5387340, 5849112, 6823964, 7311390, 8529955, 9748520, 10235946, 10774680, 13647928, 14622780, 17059910, 20471892, 25589865, 29245560, 34119820, 40943784, 51179730, 68239640, 102359460, 204718920]

約数ペア:

[(1, 204718920), (2, 102359460), (3, 68239640), (4, 51179730), (5, 40943784), (6, 34119820), (7, 29245560), (8, 25589865), (10, 20471892), (12, 17059910), (14, 14622780), (15, 13647928), (19, 10774680), (20, 10235946), (21, 9748520), (24, 8529955), (28, 7311390), (30, 6823964), (35, 5849112), (38, 5387340), (40, 5117973), (42, 4874260), (56, 3655695), (57, 3591560), (60, 3411982), (70, 2924556), (76, 2693670), (84, 2437130), (95, 2154936), (101, 2026920), (105, 1949704), (114, 1795780), (120, 1705991), (127, 1611960), (133, 1539240), (140, 1462278), (152, 1346835), (168, 1218565), (190, 1077468), (202, 1013460), (210, 974852), (228, 897890), (254, 805980), (266, 769620), (280, 731139), (285, 718312), (303, 675640), (380, 538734), (381, 537320), (399, 513080), (404, 506730), (420, 487426), (456, 448945), (505, 405384), (508, 402990), (532, 384810), (570, 359156), (606, 337820), (635, 322392), (665, 307848), (707, 289560), (760, 269367), (762, 268660), (798, 256540), (808, 253365), (840, 243713), (889, 230280), (1010, 202692), (1016, 201495), (1064, 192405), (1140, 179578), (1212, 168910), (1270, 161196), (1330, 153924), (1414, 144780), (1515, 135128), (1524, 134330), (1596, 128270), (1778, 115140), (1905, 107464), (1919, 106680), (1995, 102616), (2020, 101346), (2121, 96520), (2280, 89789), (2413, 84840), (2424, 84455), (2540, 80598), (2660, 76962), (2667, 76760), (2828, 72390), (3030, 67564), (3048, 67165), (3192, 64135), (3535, 57912), (3556, 57570), (3810, 53732), (3838, 53340), (3990, 51308), (4040, 50673), (4242, 48260), (4445, 46056), (4826, 42420), (5080, 40299), (5320, 38481), (5334, 38380), (5656, 36195), (5757, 35560), (6060, 33782), (7070, 28956), (7112, 28785), (7239, 28280), (7620, 26866), (7676, 26670), (7980, 25654), (8484, 24130), (8890, 23028), (9595, 21336), (9652, 21210), (10605, 19304), (10668, 19190), (11514, 17780), (12065, 16968), (12120, 16891), (12827, 15960), (13335, 15352), (13433, 15240), (14140, 14478)]