678167280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 240

約数和(自身を含む): 2618403840

約数和(自身を除く): 1940236560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 239, 240, 252, 280, 315, 336, 360, 420, 478, 504, 560, 563, 630, 717, 720, 840, 956, 1008, 1126, 1195, 1260, 1434, 1673, 1680, 1689, 1912, 2151, 2252, 2390, 2520, 2815, 2868, 3346, 3378, 3585, 3824, 3941, 4302, 4504, 4780, 5019, 5040, 5067, 5630, 5736, 6692, 6756, 7170, 7882, 8365, 8445, 8604, 9008, 9560, 10038, 10134, 10755, 11260, 11472, 11823, 13384, 13512, 14340, 15057, 15764, 16730, 16890, 17208, 19120, 19705, 20076, 20268, 21510, 22520, 23646, 25095, 25335, 26768, 27024, 28680, 30114, 31528, 33460, 33780, 34416, 35469, 39410, 40152, 40536, 43020, 45040, 47292, 50190, 50670, 57360, 59115, 60228, 63056, 66920, 67560, 70938, 75285, 78820, 80304, 81072, 86040, 94584, 100380, 101340, 118230, 120456, 133840, 134557, 135120, 141876, 150570, 157640, 172080, 177345, 189168, 200760, 202680, 236460, 240912, 269114, 283752, 301140, 315280, 354690, 401520, 403671, 405360, 472920, 538228, 567504, 602280, 672785, 709380, 807342, 941899, 945840, 1076456, 1204560, 1211013, 1345570, 1418760, 1614684, 1883798, 2018355, 2152912, 2422026, 2691140, 2825697, 2837520, 3229368, 3767596, 4036710, 4709495, 4844052, 5382280, 5651394, 6055065, 6458736, 7535192, 8073420, 8477091, 9418990, 9688104, 10764560, 11302788, 12110130, 14128485, 15070384, 16146840, 16954182, 18837980, 19376208, 22605576, 24220260, 28256970, 32293680, 33908364, 37675960, 42385455, 45211152, 48440520, 56513940, 67816728, 75351920, 84770910, 96881040, 113027880, 135633456, 169541820, 226055760, 339083640, 678167280]

約数ペア:

[(1, 678167280), (2, 339083640), (3, 226055760), (4, 169541820), (5, 135633456), (6, 113027880), (7, 96881040), (8, 84770910), (9, 75351920), (10, 67816728), (12, 56513940), (14, 48440520), (15, 45211152), (16, 42385455), (18, 37675960), (20, 33908364), (21, 32293680), (24, 28256970), (28, 24220260), (30, 22605576), (35, 19376208), (36, 18837980), (40, 16954182), (42, 16146840), (45, 15070384), (48, 14128485), (56, 12110130), (60, 11302788), (63, 10764560), (70, 9688104), (72, 9418990), (80, 8477091), (84, 8073420), (90, 7535192), (105, 6458736), (112, 6055065), (120, 5651394), (126, 5382280), (140, 4844052), (144, 4709495), (168, 4036710), (180, 3767596), (210, 3229368), (239, 2837520), (240, 2825697), (252, 2691140), (280, 2422026), (315, 2152912), (336, 2018355), (360, 1883798), (420, 1614684), (478, 1418760), (504, 1345570), (560, 1211013), (563, 1204560), (630, 1076456), (717, 945840), (720, 941899), (840, 807342), (956, 709380), (1008, 672785), (1126, 602280), (1195, 567504), (1260, 538228), (1434, 472920), (1673, 405360), (1680, 403671), (1689, 401520), (1912, 354690), (2151, 315280), (2252, 301140), (2390, 283752), (2520, 269114), (2815, 240912), (2868, 236460), (3346, 202680), (3378, 200760), (3585, 189168), (3824, 177345), (3941, 172080), (4302, 157640), (4504, 150570), (4780, 141876), (5019, 135120), (5040, 134557), (5067, 133840), (5630, 120456), (5736, 118230), (6692, 101340), (6756, 100380), (7170, 94584), (7882, 86040), (8365, 81072), (8445, 80304), (8604, 78820), (9008, 75285), (9560, 70938), (10038, 67560), (10134, 66920), (10755, 63056), (11260, 60228), (11472, 59115), (11823, 57360), (13384, 50670), (13512, 50190), (14340, 47292), (15057, 45040), (15764, 43020), (16730, 40536), (16890, 40152), (17208, 39410), (19120, 35469), (19705, 34416), (20076, 33780), (20268, 33460), (21510, 31528), (22520, 30114), (23646, 28680), (25095, 27024), (25335, 26768)]