216943440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:777

約数の個数: 160

約数和(自身を含む): 773093376

約数和(自身を除く): 556149936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 263, 280, 336, 420, 491, 526, 560, 789, 840, 982, 1052, 1315, 1473, 1578, 1680, 1841, 1964, 2104, 2455, 2630, 2946, 3156, 3437, 3682, 3928, 3945, 4208, 4910, 5260, 5523, 5892, 6312, 6874, 7364, 7365, 7856, 7890, 9205, 9820, 10311, 10520, 11046, 11784, 12624, 13748, 14728, 14730, 15780, 17185, 18410, 19640, 20622, 21040, 22092, 23568, 27496, 27615, 29456, 29460, 31560, 34370, 36820, 39280, 41244, 44184, 51555, 54992, 55230, 58920, 63120, 68740, 73640, 82488, 88368, 103110, 110460, 117840, 129133, 137480, 147280, 164976, 206220, 220920, 258266, 274960, 387399, 412440, 441840, 516532, 645665, 774798, 824880, 903931, 1033064, 1291330, 1549596, 1807862, 1936995, 2066128, 2582660, 2711793, 3099192, 3615724, 3873990, 4519655, 5165320, 5423586, 6198384, 7231448, 7747980, 9039310, 10330640, 10847172, 13558965, 14462896, 15495960, 18078620, 21694344, 27117930, 30991920, 36157240, 43388688, 54235860, 72314480, 108471720, 216943440]

約数ペア:

[(1, 216943440), (2, 108471720), (3, 72314480), (4, 54235860), (5, 43388688), (6, 36157240), (7, 30991920), (8, 27117930), (10, 21694344), (12, 18078620), (14, 15495960), (15, 14462896), (16, 13558965), (20, 10847172), (21, 10330640), (24, 9039310), (28, 7747980), (30, 7231448), (35, 6198384), (40, 5423586), (42, 5165320), (48, 4519655), (56, 3873990), (60, 3615724), (70, 3099192), (80, 2711793), (84, 2582660), (105, 2066128), (112, 1936995), (120, 1807862), (140, 1549596), (168, 1291330), (210, 1033064), (240, 903931), (263, 824880), (280, 774798), (336, 645665), (420, 516532), (491, 441840), (526, 412440), (560, 387399), (789, 274960), (840, 258266), (982, 220920), (1052, 206220), (1315, 164976), (1473, 147280), (1578, 137480), (1680, 129133), (1841, 117840), (1964, 110460), (2104, 103110), (2455, 88368), (2630, 82488), (2946, 73640), (3156, 68740), (3437, 63120), (3682, 58920), (3928, 55230), (3945, 54992), (4208, 51555), (4910, 44184), (5260, 41244), (5523, 39280), (5892, 36820), (6312, 34370), (6874, 31560), (7364, 29460), (7365, 29456), (7856, 27615), (7890, 27496), (9205, 23568), (9820, 22092), (10311, 21040), (10520, 20622), (11046, 19640), (11784, 18410), (12624, 17185), (13748, 15780), (14728, 14730)]