638048880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2221}}^1$

素因数の和:2269

約数の個数: 320

約数和(自身を含む): 2645068800

約数和(自身を除く): 2007019920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 48, 54, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 108, 112, 114, 120, 126, 133, 135, 140, 144, 152, 168, 171, 180, 189, 190, 210, 216, 228, 240, 252, 266, 270, 280, 285, 304, 315, 336, 342, 360, 378, 380, 399, 420, 432, 456, 504, 513, 532, 540, 560, 570, 630, 665, 684, 720, 756, 760, 798, 840, 855, 912, 945, 1008, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1520, 1596, 1680, 1710, 1890, 1995, 2052, 2128, 2160, 2221, 2280, 2394, 2520, 2565, 2660, 2736, 3024, 3192, 3420, 3591, 3780, 3990, 4104, 4442, 4560, 4788, 5040, 5130, 5320, 5985, 6384, 6663, 6840, 7182, 7560, 7980, 8208, 8884, 9576, 10260, 10640, 11105, 11970, 13326, 13680, 14364, 15120, 15547, 15960, 17768, 17955, 19152, 19989, 20520, 22210, 23940, 26652, 28728, 31094, 31920, 33315, 35536, 35910, 39978, 41040, 42199, 44420, 46641, 47880, 53304, 57456, 59967, 62188, 66630, 71820, 77735, 79956, 84398, 88840, 93282, 95760, 99945, 106608, 119934, 124376, 126597, 133260, 139923, 143640, 155470, 159912, 168796, 177680, 186564, 199890, 210995, 233205, 239868, 248752, 253194, 266520, 279846, 287280, 295393, 299835, 310940, 319824, 337592, 373128, 379791, 399780, 419769, 421990, 466410, 479736, 506388, 533040, 559692, 590786, 599670, 621880, 632985, 675184, 699615, 746256, 759582, 799560, 839538, 843980, 886179, 932820, 959472, 1012776, 1119384, 1139373, 1181572, 1199340, 1243760, 1265970, 1399230, 1476965, 1519164, 1599120, 1679076, 1687960, 1772358, 1865640, 1898955, 2025552, 2098845, 2238768, 2278746, 2363144, 2398680, 2531940, 2658537, 2798460, 2953930, 3038328, 3358152, 3375920, 3544716, 3731280, 3797910, 4197690, 4430895, 4557492, 4726288, 4797360, 5063880, 5317074, 5596920, 5696865, 5907860, 6076656, 6716304, 7089432, 7595820, 7975611, 8395380, 8861790, 9114984, 10127760, 10634148, 11193840, 11393730, 11815720, 13292685, 14178864, 15191640, 15951222, 16790760, 17723580, 18229968, 21268296, 22787460, 23631440, 26585370, 30383280, 31902444, 33581520, 35447160, 39878055, 42536592, 45574920, 53170740, 63804888, 70894320, 79756110, 91149840, 106341480, 127609776, 159512220, 212682960, 319024440, 638048880]

約数ペア:

[(1, 638048880), (2, 319024440), (3, 212682960), (4, 159512220), (5, 127609776), (6, 106341480), (7, 91149840), (8, 79756110), (9, 70894320), (10, 63804888), (12, 53170740), (14, 45574920), (15, 42536592), (16, 39878055), (18, 35447160), (19, 33581520), (20, 31902444), (21, 30383280), (24, 26585370), (27, 23631440), (28, 22787460), (30, 21268296), (35, 18229968), (36, 17723580), (38, 16790760), (40, 15951222), (42, 15191640), (45, 14178864), (48, 13292685), (54, 11815720), (56, 11393730), (57, 11193840), (60, 10634148), (63, 10127760), (70, 9114984), (72, 8861790), (76, 8395380), (80, 7975611), (84, 7595820), (90, 7089432), (95, 6716304), (105, 6076656), (108, 5907860), (112, 5696865), (114, 5596920), (120, 5317074), (126, 5063880), (133, 4797360), (135, 4726288), (140, 4557492), (144, 4430895), (152, 4197690), (168, 3797910), (171, 3731280), (180, 3544716), (189, 3375920), (190, 3358152), (210, 3038328), (216, 2953930), (228, 2798460), (240, 2658537), (252, 2531940), (266, 2398680), (270, 2363144), (280, 2278746), (285, 2238768), (304, 2098845), (315, 2025552), (336, 1898955), (342, 1865640), (360, 1772358), (378, 1687960), (380, 1679076), (399, 1599120), (420, 1519164), (432, 1476965), (456, 1399230), (504, 1265970), (513, 1243760), (532, 1199340), (540, 1181572), (560, 1139373), (570, 1119384), (630, 1012776), (665, 959472), (684, 932820), (720, 886179), (756, 843980), (760, 839538), (798, 799560), (840, 759582), (855, 746256), (912, 699615), (945, 675184), (1008, 632985), (1026, 621880), (1064, 599670), (1080, 590786), (1140, 559692), (1197, 533040), (1260, 506388), (1330, 479736), (1368, 466410), (1512, 421990), (1520, 419769), (1596, 399780), (1680, 379791), (1710, 373128), (1890, 337592), (1995, 319824), (2052, 310940), (2128, 299835), (2160, 295393), (2221, 287280), (2280, 279846), (2394, 266520), (2520, 253194), (2565, 248752), (2660, 239868), (2736, 233205), (3024, 210995), (3192, 199890), (3420, 186564), (3591, 177680), (3780, 168796), (3990, 159912), (4104, 155470), (4442, 143640), (4560, 139923), (4788, 133260), (5040, 126597), (5130, 124376), (5320, 119934), (5985, 106608), (6384, 99945), (6663, 95760), (6840, 93282), (7182, 88840), (7560, 84398), (7980, 79956), (8208, 77735), (8884, 71820), (9576, 66630), (10260, 62188), (10640, 59967), (11105, 57456), (11970, 53304), (13326, 47880), (13680, 46641), (14364, 44420), (15120, 42199), (15547, 41040), (15960, 39978), (17768, 35910), (17955, 35536), (19152, 33315), (19989, 31920), (20520, 31094), (22210, 28728), (23940, 26652)]