181245540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{983}}^1$

素因数の和:1441

約数の個数: 96

約数和(自身を含む): 581898240

約数和(自身を除く): 400652700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 439, 878, 983, 1317, 1756, 1966, 2195, 2634, 2949, 3073, 3932, 4390, 4915, 5268, 5898, 6146, 6585, 6881, 8780, 9219, 9830, 11796, 12292, 13170, 13762, 14745, 15365, 18438, 19660, 20643, 26340, 27524, 29490, 30730, 34405, 36876, 41286, 46095, 58980, 61460, 68810, 82572, 92190, 103215, 137620, 184380, 206430, 412860, 431537, 863074, 1294611, 1726148, 2157685, 2589222, 3020759, 4315370, 5178444, 6041518, 6473055, 8630740, 9062277, 12083036, 12946110, 15103795, 18124554, 25892220, 30207590, 36249108, 45311385, 60415180, 90622770, 181245540]

約数ペア:

[(1, 181245540), (2, 90622770), (3, 60415180), (4, 45311385), (5, 36249108), (6, 30207590), (7, 25892220), (10, 18124554), (12, 15103795), (14, 12946110), (15, 12083036), (20, 9062277), (21, 8630740), (28, 6473055), (30, 6041518), (35, 5178444), (42, 4315370), (60, 3020759), (70, 2589222), (84, 2157685), (105, 1726148), (140, 1294611), (210, 863074), (420, 431537), (439, 412860), (878, 206430), (983, 184380), (1317, 137620), (1756, 103215), (1966, 92190), (2195, 82572), (2634, 68810), (2949, 61460), (3073, 58980), (3932, 46095), (4390, 41286), (4915, 36876), (5268, 34405), (5898, 30730), (6146, 29490), (6585, 27524), (6881, 26340), (8780, 20643), (9219, 19660), (9830, 18438), (11796, 15365), (12292, 14745), (13170, 13762)]