66661980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 192

約数和(自身を含む): 238436352

約数和(自身を除く): 171774372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 47, 55, 60, 66, 70, 77, 84, 94, 105, 110, 132, 140, 141, 154, 165, 188, 210, 220, 231, 235, 282, 307, 308, 329, 330, 385, 420, 462, 470, 517, 564, 614, 658, 660, 705, 770, 921, 924, 940, 987, 1034, 1155, 1228, 1316, 1410, 1535, 1540, 1551, 1645, 1842, 1974, 2068, 2149, 2310, 2585, 2820, 3070, 3102, 3290, 3377, 3619, 3684, 3948, 4298, 4605, 4620, 4935, 5170, 6140, 6204, 6447, 6580, 6754, 7238, 7755, 8596, 9210, 9870, 10131, 10340, 10745, 10857, 12894, 13508, 14429, 14476, 15510, 16885, 18095, 18420, 19740, 20262, 21490, 21714, 23639, 25788, 28858, 31020, 32235, 33770, 36190, 40524, 42980, 43287, 43428, 47278, 50655, 54285, 57716, 64470, 67540, 70917, 72145, 72380, 86574, 94556, 101003, 101310, 108570, 118195, 128940, 141834, 144290, 158719, 173148, 202006, 202620, 216435, 217140, 236390, 283668, 288580, 303009, 317438, 354585, 404012, 432870, 472780, 476157, 505015, 606018, 634876, 709170, 793595, 865740, 952314, 1010030, 1111033, 1212036, 1418340, 1515045, 1587190, 1904628, 2020060, 2222066, 2380785, 3030090, 3174380, 3333099, 4444132, 4761570, 5555165, 6060180, 6666198, 9523140, 11110330, 13332396, 16665495, 22220660, 33330990, 66661980]

約数ペア:

[(1, 66661980), (2, 33330990), (3, 22220660), (4, 16665495), (5, 13332396), (6, 11110330), (7, 9523140), (10, 6666198), (11, 6060180), (12, 5555165), (14, 4761570), (15, 4444132), (20, 3333099), (21, 3174380), (22, 3030090), (28, 2380785), (30, 2222066), (33, 2020060), (35, 1904628), (42, 1587190), (44, 1515045), (47, 1418340), (55, 1212036), (60, 1111033), (66, 1010030), (70, 952314), (77, 865740), (84, 793595), (94, 709170), (105, 634876), (110, 606018), (132, 505015), (140, 476157), (141, 472780), (154, 432870), (165, 404012), (188, 354585), (210, 317438), (220, 303009), (231, 288580), (235, 283668), (282, 236390), (307, 217140), (308, 216435), (329, 202620), (330, 202006), (385, 173148), (420, 158719), (462, 144290), (470, 141834), (517, 128940), (564, 118195), (614, 108570), (658, 101310), (660, 101003), (705, 94556), (770, 86574), (921, 72380), (924, 72145), (940, 70917), (987, 67540), (1034, 64470), (1155, 57716), (1228, 54285), (1316, 50655), (1410, 47278), (1535, 43428), (1540, 43287), (1551, 42980), (1645, 40524), (1842, 36190), (1974, 33770), (2068, 32235), (2149, 31020), (2310, 28858), (2585, 25788), (2820, 23639), (3070, 21714), (3102, 21490), (3290, 20262), (3377, 19740), (3619, 18420), (3684, 18095), (3948, 16885), (4298, 15510), (4605, 14476), (4620, 14429), (4935, 13508), (5170, 12894), (6140, 10857), (6204, 10745), (6447, 10340), (6580, 10131), (6754, 9870), (7238, 9210), (7755, 8596)]