421821960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:316

約数の個数: 256

約数和(自身を含む): 1517322240

約数和(自身を除く): 1095500280

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, 84, 93, 97, 105, 120, 124, 140, 155, 167, 168, 186, 194, 210, 217, 248, 280, 291, 310, 334, 372, 388, 420, 434, 465, 485, 501, 582, 620, 651, 668, 679, 744, 776, 835, 840, 868, 930, 970, 1002, 1085, 1164, 1169, 1240, 1302, 1336, 1358, 1455, 1670, 1736, 1860, 1940, 2004, 2037, 2170, 2328, 2338, 2505, 2604, 2716, 2910, 3007, 3255, 3340, 3395, 3507, 3720, 3880, 4008, 4074, 4340, 4676, 5010, 5177, 5208, 5432, 5820, 5845, 6014, 6510, 6680, 6790, 7014, 8148, 8680, 9021, 9352, 10020, 10185, 10354, 11640, 11690, 12028, 13020, 13580, 14028, 15035, 15531, 16199, 16296, 17535, 18042, 20040, 20370, 20708, 21049, 23380, 24056, 25885, 26040, 27160, 28056, 30070, 31062, 32398, 35070, 36084, 36239, 40740, 41416, 42098, 45105, 46760, 48597, 51770, 60140, 62124, 63147, 64796, 70140, 72168, 72478, 77655, 80995, 81480, 84196, 90210, 97194, 103540, 105245, 108717, 113393, 120280, 124248, 126294, 129592, 140280, 144956, 155310, 161990, 168392, 180420, 181195, 194388, 207080, 210490, 217434, 226786, 242985, 252588, 289912, 310620, 315735, 323980, 340179, 360840, 362390, 388776, 420980, 434868, 453572, 485970, 502169, 505176, 543585, 566965, 621240, 631470, 647960, 680358, 724780, 841960, 869736, 907144, 971940, 1004338, 1087170, 1133930, 1262940, 1360716, 1449560, 1506507, 1700895, 1943880, 2008676, 2174340, 2267860, 2510845, 2525880, 2721432, 3013014, 3401790, 3515183, 4017352, 4348680, 4535720, 5021690, 6026028, 6803580, 7030366, 7532535, 10043380, 10545549, 12052056, 13607160, 14060732, 15065070, 17575915, 20086760, 21091098, 28121464, 30130140, 35151830, 42182196, 52727745, 60260280, 70303660, 84364392, 105455490, 140607320, 210910980, 421821960]

約数ペア:

[(1, 421821960), (2, 210910980), (3, 140607320), (4, 105455490), (5, 84364392), (6, 70303660), (7, 60260280), (8, 52727745), (10, 42182196), (12, 35151830), (14, 30130140), (15, 28121464), (20, 21091098), (21, 20086760), (24, 17575915), (28, 15065070), (30, 14060732), (31, 13607160), (35, 12052056), (40, 10545549), (42, 10043380), (56, 7532535), (60, 7030366), (62, 6803580), (70, 6026028), (84, 5021690), (93, 4535720), (97, 4348680), (105, 4017352), (120, 3515183), (124, 3401790), (140, 3013014), (155, 2721432), (167, 2525880), (168, 2510845), (186, 2267860), (194, 2174340), (210, 2008676), (217, 1943880), (248, 1700895), (280, 1506507), (291, 1449560), (310, 1360716), (334, 1262940), (372, 1133930), (388, 1087170), (420, 1004338), (434, 971940), (465, 907144), (485, 869736), (501, 841960), (582, 724780), (620, 680358), (651, 647960), (668, 631470), (679, 621240), (744, 566965), (776, 543585), (835, 505176), (840, 502169), (868, 485970), (930, 453572), (970, 434868), (1002, 420980), (1085, 388776), (1164, 362390), (1169, 360840), (1240, 340179), (1302, 323980), (1336, 315735), (1358, 310620), (1455, 289912), (1670, 252588), (1736, 242985), (1860, 226786), (1940, 217434), (2004, 210490), (2037, 207080), (2170, 194388), (2328, 181195), (2338, 180420), (2505, 168392), (2604, 161990), (2716, 155310), (2910, 144956), (3007, 140280), (3255, 129592), (3340, 126294), (3395, 124248), (3507, 120280), (3720, 113393), (3880, 108717), (4008, 105245), (4074, 103540), (4340, 97194), (4676, 90210), (5010, 84196), (5177, 81480), (5208, 80995), (5432, 77655), (5820, 72478), (5845, 72168), (6014, 70140), (6510, 64796), (6680, 63147), (6790, 62124), (7014, 60140), (8148, 51770), (8680, 48597), (9021, 46760), (9352, 45105), (10020, 42098), (10185, 41416), (10354, 40740), (11640, 36239), (11690, 36084), (12028, 35070), (13020, 32398), (13580, 31062), (14028, 30070), (15035, 28056), (15531, 27160), (16199, 26040), (16296, 25885), (17535, 24056), (18042, 23380), (20040, 21049), (20370, 20708)]