1489591280

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1\times {\mathrm{673}}^1$

素因数の和:1138

約数の個数: 80

約数和(自身を含む): 3525235680

約数和(自身を除く): 2035644400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 379, 584, 673, 730, 758, 1168, 1346, 1460, 1516, 1895, 2692, 2920, 3032, 3365, 3790, 5384, 5840, 6064, 6730, 7580, 10768, 13460, 15160, 26920, 27667, 30320, 49129, 53840, 55334, 98258, 110668, 138335, 196516, 221336, 245645, 255067, 276670, 393032, 442672, 491290, 510134, 553340, 786064, 982580, 1020268, 1106680, 1275335, 1965160, 2040536, 2213360, 2550670, 3930320, 4081072, 5101340, 10202680, 18619891, 20405360, 37239782, 74479564, 93099455, 148959128, 186198910, 297918256, 372397820, 744795640, 1489591280]

約数ペア:

[(1, 1489591280), (2, 744795640), (4, 372397820), (5, 297918256), (8, 186198910), (10, 148959128), (16, 93099455), (20, 74479564), (40, 37239782), (73, 20405360), (80, 18619891), (146, 10202680), (292, 5101340), (365, 4081072), (379, 3930320), (584, 2550670), (673, 2213360), (730, 2040536), (758, 1965160), (1168, 1275335), (1346, 1106680), (1460, 1020268), (1516, 982580), (1895, 786064), (2692, 553340), (2920, 510134), (3032, 491290), (3365, 442672), (3790, 393032), (5384, 276670), (5840, 255067), (6064, 245645), (6730, 221336), (7580, 196516), (10768, 138335), (13460, 110668), (15160, 98258), (26920, 55334), (27667, 53840), (30320, 49129)]