405260520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:328

約数の個数: 256

約数和(自身を含む): 1459814400

約数和(自身を除く): 1054553880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 79, 84, 93, 105, 120, 124, 140, 155, 158, 168, 186, 197, 210, 217, 237, 248, 280, 310, 316, 372, 394, 395, 420, 434, 465, 474, 553, 591, 620, 632, 651, 744, 788, 790, 840, 868, 930, 948, 985, 1085, 1106, 1182, 1185, 1240, 1302, 1379, 1576, 1580, 1659, 1736, 1860, 1896, 1970, 2170, 2212, 2364, 2370, 2449, 2604, 2758, 2765, 2955, 3160, 3255, 3318, 3720, 3940, 4137, 4340, 4424, 4728, 4740, 4898, 5208, 5516, 5530, 5910, 6107, 6510, 6636, 6895, 7347, 7880, 8274, 8295, 8680, 9480, 9796, 11032, 11060, 11820, 12214, 12245, 13020, 13272, 13790, 14694, 15563, 16548, 16590, 17143, 18321, 19592, 20685, 22120, 23640, 24428, 24490, 26040, 27580, 29388, 30535, 31126, 33096, 33180, 34286, 36642, 36735, 41370, 42749, 46689, 48856, 48980, 51429, 55160, 58776, 61070, 62252, 66360, 68572, 73284, 73470, 77815, 82740, 85498, 85715, 91605, 93378, 97960, 102858, 108941, 122140, 124504, 128247, 137144, 146568, 146940, 155630, 165480, 170996, 171430, 183210, 186756, 205716, 213745, 217882, 233445, 244280, 256494, 257145, 293880, 311260, 326823, 341992, 342860, 366420, 373512, 411432, 427490, 435764, 466890, 482453, 512988, 514290, 544705, 622520, 641235, 653646, 685720, 732840, 854980, 871528, 933780, 964906, 1025976, 1028580, 1089410, 1282470, 1307292, 1447359, 1634115, 1709960, 1867560, 1929812, 2057160, 2178820, 2412265, 2564940, 2614584, 2894718, 3268230, 3377171, 3859624, 4357640, 4824530, 5129880, 5789436, 6536460, 6754342, 7236795, 9649060, 10131513, 11578872, 13072920, 13508684, 14473590, 16885855, 19298120, 20263026, 27017368, 28947180, 33771710, 40526052, 50657565, 57894360, 67543420, 81052104, 101315130, 135086840, 202630260, 405260520]

約数ペア:

[(1, 405260520), (2, 202630260), (3, 135086840), (4, 101315130), (5, 81052104), (6, 67543420), (7, 57894360), (8, 50657565), (10, 40526052), (12, 33771710), (14, 28947180), (15, 27017368), (20, 20263026), (21, 19298120), (24, 16885855), (28, 14473590), (30, 13508684), (31, 13072920), (35, 11578872), (40, 10131513), (42, 9649060), (56, 7236795), (60, 6754342), (62, 6536460), (70, 5789436), (79, 5129880), (84, 4824530), (93, 4357640), (105, 3859624), (120, 3377171), (124, 3268230), (140, 2894718), (155, 2614584), (158, 2564940), (168, 2412265), (186, 2178820), (197, 2057160), (210, 1929812), (217, 1867560), (237, 1709960), (248, 1634115), (280, 1447359), (310, 1307292), (316, 1282470), (372, 1089410), (394, 1028580), (395, 1025976), (420, 964906), (434, 933780), (465, 871528), (474, 854980), (553, 732840), (591, 685720), (620, 653646), (632, 641235), (651, 622520), (744, 544705), (788, 514290), (790, 512988), (840, 482453), (868, 466890), (930, 435764), (948, 427490), (985, 411432), (1085, 373512), (1106, 366420), (1182, 342860), (1185, 341992), (1240, 326823), (1302, 311260), (1379, 293880), (1576, 257145), (1580, 256494), (1659, 244280), (1736, 233445), (1860, 217882), (1896, 213745), (1970, 205716), (2170, 186756), (2212, 183210), (2364, 171430), (2370, 170996), (2449, 165480), (2604, 155630), (2758, 146940), (2765, 146568), (2955, 137144), (3160, 128247), (3255, 124504), (3318, 122140), (3720, 108941), (3940, 102858), (4137, 97960), (4340, 93378), (4424, 91605), (4728, 85715), (4740, 85498), (4898, 82740), (5208, 77815), (5516, 73470), (5530, 73284), (5910, 68572), (6107, 66360), (6510, 62252), (6636, 61070), (6895, 58776), (7347, 55160), (7880, 51429), (8274, 48980), (8295, 48856), (8680, 46689), (9480, 42749), (9796, 41370), (11032, 36735), (11060, 36642), (11820, 34286), (12214, 33180), (12245, 33096), (13020, 31126), (13272, 30535), (13790, 29388), (14694, 27580), (15563, 26040), (16548, 24490), (16590, 24428), (17143, 23640), (18321, 22120), (19592, 20685)]