421361920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 1252694016

約数和(自身を除く): 831332096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 41, 56, 62, 64, 70, 74, 80, 82, 112, 124, 128, 140, 148, 155, 160, 164, 185, 205, 217, 224, 248, 256, 259, 280, 287, 296, 310, 320, 328, 370, 410, 434, 448, 496, 518, 560, 574, 592, 620, 640, 656, 740, 820, 868, 896, 992, 1036, 1085, 1120, 1147, 1148, 1184, 1240, 1271, 1280, 1295, 1312, 1435, 1480, 1517, 1640, 1736, 1792, 1984, 2072, 2170, 2240, 2294, 2296, 2368, 2480, 2542, 2590, 2624, 2870, 2960, 3034, 3280, 3472, 3968, 4144, 4340, 4480, 4588, 4592, 4736, 4960, 5084, 5180, 5248, 5735, 5740, 5920, 6068, 6355, 6560, 6944, 7585, 7936, 8029, 8288, 8680, 8897, 8960, 9176, 9184, 9472, 9920, 10168, 10360, 10496, 10619, 11470, 11480, 11840, 12136, 12710, 13120, 13888, 15170, 16058, 16576, 17360, 17794, 18352, 18368, 19840, 20336, 20720, 21238, 22940, 22960, 23680, 24272, 25420, 26240, 27776, 30340, 32116, 33152, 34720, 35588, 36704, 36736, 39680, 40145, 40672, 41440, 42476, 44485, 45880, 45920, 47027, 47360, 48544, 50840, 52480, 53095, 55552, 60680, 64232, 66304, 69440, 71176, 73408, 73472, 80290, 81344, 82880, 84952, 88970, 91760, 91840, 94054, 97088, 101680, 106190, 121360, 128464, 138880, 142352, 146816, 160580, 162688, 165760, 169904, 177940, 183520, 183680, 188108, 194176, 203360, 212380, 235135, 242720, 256928, 277760, 284704, 293632, 321160, 325376, 329189, 331520, 339808, 355880, 367040, 367360, 376216, 388352, 406720, 424760, 470270, 485440, 513856, 569408, 642320, 658378, 679616, 711760, 734080, 752432, 813440, 849520, 940540, 970880, 1027712, 1138816, 1284640, 1316756, 1359232, 1423520, 1468160, 1504864, 1626880, 1645945, 1699040, 1881080, 1941760, 2055424, 2277632, 2569280, 2633512, 2718464, 2847040, 3009728, 3291890, 3398080, 3762160, 5138560, 5267024, 5694080, 6019456, 6583780, 6796160, 7524320, 10277120, 10534048, 11388160, 12038912, 13167560, 13592320, 15048640, 21068096, 26335120, 30097280, 42136192, 52670240, 60194560, 84272384, 105340480, 210680960, 421361920]

約数ペア:

[(1, 421361920), (2, 210680960), (4, 105340480), (5, 84272384), (7, 60194560), (8, 52670240), (10, 42136192), (14, 30097280), (16, 26335120), (20, 21068096), (28, 15048640), (31, 13592320), (32, 13167560), (35, 12038912), (37, 11388160), (40, 10534048), (41, 10277120), (56, 7524320), (62, 6796160), (64, 6583780), (70, 6019456), (74, 5694080), (80, 5267024), (82, 5138560), (112, 3762160), (124, 3398080), (128, 3291890), (140, 3009728), (148, 2847040), (155, 2718464), (160, 2633512), (164, 2569280), (185, 2277632), (205, 2055424), (217, 1941760), (224, 1881080), (248, 1699040), (256, 1645945), (259, 1626880), (280, 1504864), (287, 1468160), (296, 1423520), (310, 1359232), (320, 1316756), (328, 1284640), (370, 1138816), (410, 1027712), (434, 970880), (448, 940540), (496, 849520), (518, 813440), (560, 752432), (574, 734080), (592, 711760), (620, 679616), (640, 658378), (656, 642320), (740, 569408), (820, 513856), (868, 485440), (896, 470270), (992, 424760), (1036, 406720), (1085, 388352), (1120, 376216), (1147, 367360), (1148, 367040), (1184, 355880), (1240, 339808), (1271, 331520), (1280, 329189), (1295, 325376), (1312, 321160), (1435, 293632), (1480, 284704), (1517, 277760), (1640, 256928), (1736, 242720), (1792, 235135), (1984, 212380), (2072, 203360), (2170, 194176), (2240, 188108), (2294, 183680), (2296, 183520), (2368, 177940), (2480, 169904), (2542, 165760), (2590, 162688), (2624, 160580), (2870, 146816), (2960, 142352), (3034, 138880), (3280, 128464), (3472, 121360), (3968, 106190), (4144, 101680), (4340, 97088), (4480, 94054), (4588, 91840), (4592, 91760), (4736, 88970), (4960, 84952), (5084, 82880), (5180, 81344), (5248, 80290), (5735, 73472), (5740, 73408), (5920, 71176), (6068, 69440), (6355, 66304), (6560, 64232), (6944, 60680), (7585, 55552), (7936, 53095), (8029, 52480), (8288, 50840), (8680, 48544), (8897, 47360), (8960, 47027), (9176, 45920), (9184, 45880), (9472, 44485), (9920, 42476), (10168, 41440), (10360, 40672), (10496, 40145), (10619, 39680), (11470, 36736), (11480, 36704), (11840, 35588), (12136, 34720), (12710, 33152), (13120, 32116), (13888, 30340), (15170, 27776), (16058, 26240), (16576, 25420), (17360, 24272), (17794, 23680), (18352, 22960), (18368, 22940), (19840, 21238), (20336, 20720)]