664028680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:839

約数の個数: 128

約数和(自身を含む): 1780807680

約数和(自身を除く): 1116779000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 113, 124, 140, 155, 217, 226, 248, 280, 310, 434, 452, 565, 620, 677, 791, 868, 904, 1085, 1130, 1240, 1354, 1582, 1736, 2170, 2260, 2708, 3164, 3385, 3503, 3955, 4340, 4520, 4739, 5416, 6328, 6770, 7006, 7910, 8680, 9478, 13540, 14012, 15820, 17515, 18956, 20987, 23695, 24521, 27080, 28024, 31640, 35030, 37912, 41974, 47390, 49042, 70060, 76501, 83948, 94780, 98084, 104935, 122605, 140120, 146909, 153002, 167896, 189560, 196168, 209870, 245210, 293818, 306004, 382505, 419740, 490420, 535507, 587636, 612008, 734545, 765010, 839480, 980840, 1071014, 1175272, 1469090, 1530020, 2142028, 2371531, 2677535, 2938180, 3060040, 4284056, 4743062, 5355070, 5876360, 9486124, 10710140, 11857655, 16600717, 18972248, 21420280, 23715310, 33201434, 47430620, 66402868, 83003585, 94861240, 132805736, 166007170, 332014340, 664028680]

約数ペア:

[(1, 664028680), (2, 332014340), (4, 166007170), (5, 132805736), (7, 94861240), (8, 83003585), (10, 66402868), (14, 47430620), (20, 33201434), (28, 23715310), (31, 21420280), (35, 18972248), (40, 16600717), (56, 11857655), (62, 10710140), (70, 9486124), (113, 5876360), (124, 5355070), (140, 4743062), (155, 4284056), (217, 3060040), (226, 2938180), (248, 2677535), (280, 2371531), (310, 2142028), (434, 1530020), (452, 1469090), (565, 1175272), (620, 1071014), (677, 980840), (791, 839480), (868, 765010), (904, 734545), (1085, 612008), (1130, 587636), (1240, 535507), (1354, 490420), (1582, 419740), (1736, 382505), (2170, 306004), (2260, 293818), (2708, 245210), (3164, 209870), (3385, 196168), (3503, 189560), (3955, 167896), (4340, 153002), (4520, 146909), (4739, 140120), (5416, 122605), (6328, 104935), (6770, 98084), (7006, 94780), (7910, 83948), (8680, 76501), (9478, 70060), (13540, 49042), (14012, 47390), (15820, 41974), (17515, 37912), (18956, 35030), (20987, 31640), (23695, 28024), (24521, 27080)]