172812360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{491}}^1$

素因数の和:931

約数の個数: 128

約数和(自身を含む): 595123200

約数和(自身を除く): 422310840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 419, 420, 491, 838, 840, 982, 1257, 1473, 1676, 1964, 2095, 2455, 2514, 2933, 2946, 3352, 3437, 3928, 4190, 4910, 5028, 5866, 5892, 6285, 6874, 7365, 8380, 8799, 9820, 10056, 10311, 11732, 11784, 12570, 13748, 14665, 14730, 16760, 17185, 17598, 19640, 20622, 23464, 25140, 27496, 29330, 29460, 34370, 35196, 41244, 43995, 50280, 51555, 58660, 58920, 68740, 70392, 82488, 87990, 103110, 117320, 137480, 175980, 205729, 206220, 351960, 411458, 412440, 617187, 822916, 1028645, 1234374, 1440103, 1645832, 2057290, 2468748, 2880206, 3085935, 4114580, 4320309, 4937496, 5760412, 6171870, 7200515, 8229160, 8640618, 11520824, 12343740, 14401030, 17281236, 21601545, 24687480, 28802060, 34562472, 43203090, 57604120, 86406180, 172812360]

約数ペア:

[(1, 172812360), (2, 86406180), (3, 57604120), (4, 43203090), (5, 34562472), (6, 28802060), (7, 24687480), (8, 21601545), (10, 17281236), (12, 14401030), (14, 12343740), (15, 11520824), (20, 8640618), (21, 8229160), (24, 7200515), (28, 6171870), (30, 5760412), (35, 4937496), (40, 4320309), (42, 4114580), (56, 3085935), (60, 2880206), (70, 2468748), (84, 2057290), (105, 1645832), (120, 1440103), (140, 1234374), (168, 1028645), (210, 822916), (280, 617187), (419, 412440), (420, 411458), (491, 351960), (838, 206220), (840, 205729), (982, 175980), (1257, 137480), (1473, 117320), (1676, 103110), (1964, 87990), (2095, 82488), (2455, 70392), (2514, 68740), (2933, 58920), (2946, 58660), (3352, 51555), (3437, 50280), (3928, 43995), (4190, 41244), (4910, 35196), (5028, 34370), (5866, 29460), (5892, 29330), (6285, 27496), (6874, 25140), (7365, 23464), (8380, 20622), (8799, 19640), (9820, 17598), (10056, 17185), (10311, 16760), (11732, 14730), (11784, 14665), (12570, 13748)]