678490960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1019}}^1$

素因数の和:1109

約数の個数: 160

約数和(自身を含む): 1912377600

約数和(自身を除く): 1233886640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 41, 56, 58, 70, 80, 82, 112, 116, 140, 145, 164, 203, 205, 232, 280, 287, 290, 328, 406, 410, 464, 560, 574, 580, 656, 812, 820, 1015, 1019, 1148, 1160, 1189, 1435, 1624, 1640, 2030, 2038, 2296, 2320, 2378, 2870, 3248, 3280, 4060, 4076, 4592, 4756, 5095, 5740, 5945, 7133, 8120, 8152, 8323, 9512, 10190, 11480, 11890, 14266, 16240, 16304, 16646, 19024, 20380, 22960, 23780, 28532, 29551, 33292, 35665, 40760, 41615, 41779, 47560, 57064, 59102, 66584, 71330, 81520, 83230, 83558, 95120, 114128, 118204, 133168, 142660, 147755, 166460, 167116, 206857, 208895, 236408, 285320, 292453, 295510, 332920, 334232, 413714, 417790, 472816, 570640, 584906, 591020, 665840, 668464, 827428, 835580, 1034285, 1169812, 1182040, 1211591, 1462265, 1654856, 1671160, 2068570, 2339624, 2364080, 2423182, 2924530, 3309712, 3342320, 4137140, 4679248, 4846364, 5849060, 6057955, 8274280, 8481137, 9692728, 11698120, 12115910, 16548560, 16962274, 19385456, 23396240, 24231820, 33924548, 42405685, 48463640, 67849096, 84811370, 96927280, 135698192, 169622740, 339245480, 678490960]

約数ペア:

[(1, 678490960), (2, 339245480), (4, 169622740), (5, 135698192), (7, 96927280), (8, 84811370), (10, 67849096), (14, 48463640), (16, 42405685), (20, 33924548), (28, 24231820), (29, 23396240), (35, 19385456), (40, 16962274), (41, 16548560), (56, 12115910), (58, 11698120), (70, 9692728), (80, 8481137), (82, 8274280), (112, 6057955), (116, 5849060), (140, 4846364), (145, 4679248), (164, 4137140), (203, 3342320), (205, 3309712), (232, 2924530), (280, 2423182), (287, 2364080), (290, 2339624), (328, 2068570), (406, 1671160), (410, 1654856), (464, 1462265), (560, 1211591), (574, 1182040), (580, 1169812), (656, 1034285), (812, 835580), (820, 827428), (1015, 668464), (1019, 665840), (1148, 591020), (1160, 584906), (1189, 570640), (1435, 472816), (1624, 417790), (1640, 413714), (2030, 334232), (2038, 332920), (2296, 295510), (2320, 292453), (2378, 285320), (2870, 236408), (3248, 208895), (3280, 206857), (4060, 167116), (4076, 166460), (4592, 147755), (4756, 142660), (5095, 133168), (5740, 118204), (5945, 114128), (7133, 95120), (8120, 83558), (8152, 83230), (8323, 81520), (9512, 71330), (10190, 66584), (11480, 59102), (11890, 57064), (14266, 47560), (16240, 41779), (16304, 41615), (16646, 40760), (19024, 35665), (20380, 33292), (22960, 29551), (23780, 28532)]