204641640

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 240

約数和(自身を含む): 800741700

約数和(自身を除く): 596100060

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1289, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2578, 2646, 2835, 2940, 3240, 3528, 3780, 3867, 3969, 4410, 4536, 5156, 5292, 5670, 5880, 6445, 6615, 7560, 7734, 7938, 8820, 9023, 10312, 10584, 11340, 11601, 12890, 13230, 15468, 15876, 17640, 18046, 19335, 19845, 22680, 23202, 25780, 26460, 27069, 30936, 31752, 34803, 36092, 38670, 39690, 45115, 46404, 51560, 52920, 54138, 58005, 63161, 69606, 72184, 77340, 79380, 81207, 90230, 92808, 104409, 108276, 116010, 126322, 135345, 139212, 154680, 158760, 162414, 174015, 180460, 189483, 208818, 216552, 232020, 243621, 252644, 270690, 278424, 315805, 324828, 348030, 360920, 378966, 406035, 417636, 464040, 487242, 505288, 522045, 541380, 568449, 631610, 649656, 696060, 730863, 757932, 812070, 835272, 947415, 974484, 1044090, 1082760, 1136898, 1218105, 1263220, 1392120, 1461726, 1515864, 1624140, 1705347, 1894830, 1948968, 2088180, 2273796, 2436210, 2526440, 2842245, 2923452, 3248280, 3410694, 3654315, 3789660, 4176360, 4547592, 4872420, 5116041, 5684490, 5846904, 6821388, 7308630, 7579320, 8526735, 9744840, 10232082, 11368980, 13642776, 14617260, 17053470, 20464164, 22737960, 25580205, 29234520, 34106940, 40928328, 51160410, 68213880, 102320820, 204641640]

約数ペア:

[(1, 204641640), (2, 102320820), (3, 68213880), (4, 51160410), (5, 40928328), (6, 34106940), (7, 29234520), (8, 25580205), (9, 22737960), (10, 20464164), (12, 17053470), (14, 14617260), (15, 13642776), (18, 11368980), (20, 10232082), (21, 9744840), (24, 8526735), (27, 7579320), (28, 7308630), (30, 6821388), (35, 5846904), (36, 5684490), (40, 5116041), (42, 4872420), (45, 4547592), (49, 4176360), (54, 3789660), (56, 3654315), (60, 3410694), (63, 3248280), (70, 2923452), (72, 2842245), (81, 2526440), (84, 2436210), (90, 2273796), (98, 2088180), (105, 1948968), (108, 1894830), (120, 1705347), (126, 1624140), (135, 1515864), (140, 1461726), (147, 1392120), (162, 1263220), (168, 1218105), (180, 1136898), (189, 1082760), (196, 1044090), (210, 974484), (216, 947415), (245, 835272), (252, 812070), (270, 757932), (280, 730863), (294, 696060), (315, 649656), (324, 631610), (360, 568449), (378, 541380), (392, 522045), (405, 505288), (420, 487242), (441, 464040), (490, 417636), (504, 406035), (540, 378966), (567, 360920), (588, 348030), (630, 324828), (648, 315805), (735, 278424), (756, 270690), (810, 252644), (840, 243621), (882, 232020), (945, 216552), (980, 208818), (1080, 189483), (1134, 180460), (1176, 174015), (1260, 162414), (1289, 158760), (1323, 154680), (1470, 139212), (1512, 135345), (1620, 126322), (1764, 116010), (1890, 108276), (1960, 104409), (2205, 92808), (2268, 90230), (2520, 81207), (2578, 79380), (2646, 77340), (2835, 72184), (2940, 69606), (3240, 63161), (3528, 58005), (3780, 54138), (3867, 52920), (3969, 51560), (4410, 46404), (4536, 45115), (5156, 39690), (5292, 38670), (5670, 36092), (5880, 34803), (6445, 31752), (6615, 30936), (7560, 27069), (7734, 26460), (7938, 25780), (8820, 23202), (9023, 22680), (10312, 19845), (10584, 19335), (11340, 18046), (11601, 17640), (12890, 15876), (13230, 15468)]