642355920

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{191}}^1$

素因数の和:392

約数の個数: 240

約数和(自身を含む): 2261855232

約数和(自身を除く): 1619499312

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 173, 180, 191, 216, 240, 243, 270, 324, 346, 360, 382, 405, 432, 486, 519, 540, 573, 648, 692, 720, 764, 810, 865, 955, 972, 1038, 1080, 1146, 1215, 1296, 1384, 1528, 1557, 1620, 1719, 1730, 1910, 1944, 2076, 2160, 2292, 2430, 2595, 2768, 2865, 3056, 3114, 3240, 3438, 3460, 3820, 3888, 4152, 4584, 4671, 4860, 5157, 5190, 5730, 6228, 6480, 6876, 6920, 7640, 7785, 8304, 8595, 9168, 9342, 9720, 10314, 10380, 11460, 12456, 13752, 13840, 14013, 15280, 15471, 15570, 17190, 18684, 19440, 20628, 20760, 22920, 23355, 24912, 25785, 27504, 28026, 30942, 31140, 33043, 34380, 37368, 41256, 41520, 42039, 45840, 46413, 46710, 51570, 56052, 61884, 62280, 66086, 68760, 70065, 74736, 77355, 82512, 84078, 92826, 93420, 99129, 103140, 112104, 123768, 124560, 132172, 137520, 140130, 154710, 165215, 168156, 185652, 186840, 198258, 206280, 210195, 224208, 232065, 247536, 264344, 280260, 297387, 309420, 330430, 336312, 371304, 373680, 396516, 412560, 420390, 464130, 495645, 528688, 560520, 594774, 618840, 660860, 672624, 742608, 793032, 840780, 892161, 928260, 991290, 1121040, 1189548, 1237680, 1321720, 1486935, 1586064, 1681560, 1784322, 1856520, 1982580, 2379096, 2643440, 2676483, 2973870, 3363120, 3568644, 3713040, 3965160, 4460805, 4758192, 5352966, 5947740, 7137288, 7930320, 8029449, 8921610, 10705932, 11895480, 13382415, 14274576, 16058898, 17843220, 21411864, 23790960, 26764830, 32117796, 35686440, 40147245, 42823728, 53529660, 64235592, 71372880, 80294490, 107059320, 128471184, 160588980, 214118640, 321177960, 642355920]

約数ペア:

[(1, 642355920), (2, 321177960), (3, 214118640), (4, 160588980), (5, 128471184), (6, 107059320), (8, 80294490), (9, 71372880), (10, 64235592), (12, 53529660), (15, 42823728), (16, 40147245), (18, 35686440), (20, 32117796), (24, 26764830), (27, 23790960), (30, 21411864), (36, 17843220), (40, 16058898), (45, 14274576), (48, 13382415), (54, 11895480), (60, 10705932), (72, 8921610), (80, 8029449), (81, 7930320), (90, 7137288), (108, 5947740), (120, 5352966), (135, 4758192), (144, 4460805), (162, 3965160), (173, 3713040), (180, 3568644), (191, 3363120), (216, 2973870), (240, 2676483), (243, 2643440), (270, 2379096), (324, 1982580), (346, 1856520), (360, 1784322), (382, 1681560), (405, 1586064), (432, 1486935), (486, 1321720), (519, 1237680), (540, 1189548), (573, 1121040), (648, 991290), (692, 928260), (720, 892161), (764, 840780), (810, 793032), (865, 742608), (955, 672624), (972, 660860), (1038, 618840), (1080, 594774), (1146, 560520), (1215, 528688), (1296, 495645), (1384, 464130), (1528, 420390), (1557, 412560), (1620, 396516), (1719, 373680), (1730, 371304), (1910, 336312), (1944, 330430), (2076, 309420), (2160, 297387), (2292, 280260), (2430, 264344), (2595, 247536), (2768, 232065), (2865, 224208), (3056, 210195), (3114, 206280), (3240, 198258), (3438, 186840), (3460, 185652), (3820, 168156), (3888, 165215), (4152, 154710), (4584, 140130), (4671, 137520), (4860, 132172), (5157, 124560), (5190, 123768), (5730, 112104), (6228, 103140), (6480, 99129), (6876, 93420), (6920, 92826), (7640, 84078), (7785, 82512), (8304, 77355), (8595, 74736), (9168, 70065), (9342, 68760), (9720, 66086), (10314, 62280), (10380, 61884), (11460, 56052), (12456, 51570), (13752, 46710), (13840, 46413), (14013, 45840), (15280, 42039), (15471, 41520), (15570, 41256), (17190, 37368), (18684, 34380), (19440, 33043), (20628, 31140), (20760, 30942), (22920, 28026), (23355, 27504), (24912, 25785)]