81230100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1$

素因数の和:894

約数の個数: 144

約数和(自身を含む): 274649088

約数和(自身を除く): 193418988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 47, 50, 60, 70, 75, 84, 94, 100, 105, 140, 141, 150, 175, 188, 210, 235, 282, 300, 329, 350, 420, 470, 525, 564, 658, 700, 705, 823, 940, 987, 1050, 1175, 1316, 1410, 1645, 1646, 1974, 2100, 2350, 2469, 2820, 3290, 3292, 3525, 3948, 4115, 4700, 4935, 4938, 5761, 6580, 7050, 8225, 8230, 9870, 9876, 11522, 12345, 14100, 16450, 16460, 17283, 19740, 20575, 23044, 24675, 24690, 28805, 32900, 34566, 38681, 41150, 49350, 49380, 57610, 61725, 69132, 77362, 82300, 86415, 98700, 115220, 116043, 123450, 144025, 154724, 172830, 193405, 232086, 246900, 270767, 288050, 345660, 386810, 432075, 464172, 541534, 576100, 580215, 773620, 812301, 864150, 967025, 1083068, 1160430, 1353835, 1624602, 1728300, 1934050, 2320860, 2707670, 2901075, 3249204, 3868100, 4061505, 5415340, 5802150, 6769175, 8123010, 11604300, 13538350, 16246020, 20307525, 27076700, 40615050, 81230100]

約数ペア:

[(1, 81230100), (2, 40615050), (3, 27076700), (4, 20307525), (5, 16246020), (6, 13538350), (7, 11604300), (10, 8123010), (12, 6769175), (14, 5802150), (15, 5415340), (20, 4061505), (21, 3868100), (25, 3249204), (28, 2901075), (30, 2707670), (35, 2320860), (42, 1934050), (47, 1728300), (50, 1624602), (60, 1353835), (70, 1160430), (75, 1083068), (84, 967025), (94, 864150), (100, 812301), (105, 773620), (140, 580215), (141, 576100), (150, 541534), (175, 464172), (188, 432075), (210, 386810), (235, 345660), (282, 288050), (300, 270767), (329, 246900), (350, 232086), (420, 193405), (470, 172830), (525, 154724), (564, 144025), (658, 123450), (700, 116043), (705, 115220), (823, 98700), (940, 86415), (987, 82300), (1050, 77362), (1175, 69132), (1316, 61725), (1410, 57610), (1645, 49380), (1646, 49350), (1974, 41150), (2100, 38681), (2350, 34566), (2469, 32900), (2820, 28805), (3290, 24690), (3292, 24675), (3525, 23044), (3948, 20575), (4115, 19740), (4700, 17283), (4935, 16460), (4938, 16450), (5761, 14100), (6580, 12345), (7050, 11522), (8225, 9876), (8230, 9870)]