78318560

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{16879}}^1$

素因数の和:16923

約数の個数: 48

約数和(自身を含む): 191419200

約数和(自身を除く): 113100640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 16879, 33758, 67516, 84395, 135032, 168790, 270064, 337580, 489491, 540128, 675160, 978982, 1350320, 1957964, 2447455, 2700640, 3915928, 4894910, 7831856, 9789820, 15663712, 19579640, 39159280, 78318560]

約数ペア:

[(1, 78318560), (2, 39159280), (4, 19579640), (5, 15663712), (8, 9789820), (10, 7831856), (16, 4894910), (20, 3915928), (29, 2700640), (32, 2447455), (40, 1957964), (58, 1350320), (80, 978982), (116, 675160), (145, 540128), (160, 489491), (232, 337580), (290, 270064), (464, 168790), (580, 135032), (928, 84395), (1160, 67516), (2320, 33758), (4640, 16879)]