157047760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 381225600

約数和(自身を除く): 224177840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 139, 145, 232, 278, 290, 464, 487, 556, 580, 695, 974, 1112, 1160, 1390, 1948, 2224, 2320, 2435, 2780, 3896, 4031, 4870, 5560, 7792, 8062, 9740, 11120, 14123, 16124, 19480, 20155, 28246, 32248, 38960, 40310, 56492, 64496, 67693, 70615, 80620, 112984, 135386, 141230, 161240, 225968, 270772, 282460, 322480, 338465, 541544, 564920, 676930, 1083088, 1129840, 1353860, 1963097, 2707720, 3926194, 5415440, 7852388, 9815485, 15704776, 19630970, 31409552, 39261940, 78523880, 157047760]

約数ペア:

[(1, 157047760), (2, 78523880), (4, 39261940), (5, 31409552), (8, 19630970), (10, 15704776), (16, 9815485), (20, 7852388), (29, 5415440), (40, 3926194), (58, 2707720), (80, 1963097), (116, 1353860), (139, 1129840), (145, 1083088), (232, 676930), (278, 564920), (290, 541544), (464, 338465), (487, 322480), (556, 282460), (580, 270772), (695, 225968), (974, 161240), (1112, 141230), (1160, 135386), (1390, 112984), (1948, 80620), (2224, 70615), (2320, 67693), (2435, 64496), (2780, 56492), (3896, 40310), (4031, 38960), (4870, 32248), (5560, 28246), (7792, 20155), (8062, 19480), (9740, 16124), (11120, 14123)]