254362440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{677}}^1$

素因数の和:823

約数の個数: 128

約数和(自身を含む): 796677120

約数和(自身を除く): 542314680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 101, 120, 124, 155, 186, 202, 248, 303, 310, 372, 404, 465, 505, 606, 620, 677, 744, 808, 930, 1010, 1212, 1240, 1354, 1515, 1860, 2020, 2031, 2424, 2708, 3030, 3131, 3385, 3720, 4040, 4062, 5416, 6060, 6262, 6770, 8124, 9393, 10155, 12120, 12524, 13540, 15655, 16248, 18786, 20310, 20987, 25048, 27080, 31310, 37572, 40620, 41974, 46965, 62620, 62961, 68377, 75144, 81240, 83948, 93930, 104935, 125240, 125922, 136754, 167896, 187860, 205131, 209870, 251844, 273508, 314805, 341885, 375720, 410262, 419740, 503688, 547016, 629610, 683770, 820524, 839480, 1025655, 1259220, 1367540, 1641048, 2051310, 2119687, 2518440, 2735080, 4102620, 4239374, 6359061, 8205240, 8478748, 10598435, 12718122, 16957496, 21196870, 25436244, 31795305, 42393740, 50872488, 63590610, 84787480, 127181220, 254362440]

約数ペア:

[(1, 254362440), (2, 127181220), (3, 84787480), (4, 63590610), (5, 50872488), (6, 42393740), (8, 31795305), (10, 25436244), (12, 21196870), (15, 16957496), (20, 12718122), (24, 10598435), (30, 8478748), (31, 8205240), (40, 6359061), (60, 4239374), (62, 4102620), (93, 2735080), (101, 2518440), (120, 2119687), (124, 2051310), (155, 1641048), (186, 1367540), (202, 1259220), (248, 1025655), (303, 839480), (310, 820524), (372, 683770), (404, 629610), (465, 547016), (505, 503688), (606, 419740), (620, 410262), (677, 375720), (744, 341885), (808, 314805), (930, 273508), (1010, 251844), (1212, 209870), (1240, 205131), (1354, 187860), (1515, 167896), (1860, 136754), (2020, 125922), (2031, 125240), (2424, 104935), (2708, 93930), (3030, 83948), (3131, 81240), (3385, 75144), (3720, 68377), (4040, 62961), (4062, 62620), (5416, 46965), (6060, 41974), (6262, 40620), (6770, 37572), (8124, 31310), (9393, 27080), (10155, 25048), (12120, 20987), (12524, 20310), (13540, 18786), (15655, 16248)]