138718560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{288997}}^1$

素因数の和:289015

約数の個数: 48

約数和(自身を含む): 436964976

約数和(自身を除く): 298246416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 288997, 577994, 866991, 1155988, 1444985, 1733982, 2311976, 2889970, 3467964, 4334955, 4623952, 5779940, 6935928, 8669910, 9247904, 11559880, 13871856, 17339820, 23119760, 27743712, 34679640, 46239520, 69359280, 138718560]

約数ペア:

[(1, 138718560), (2, 69359280), (3, 46239520), (4, 34679640), (5, 27743712), (6, 23119760), (8, 17339820), (10, 13871856), (12, 11559880), (15, 9247904), (16, 8669910), (20, 6935928), (24, 5779940), (30, 4623952), (32, 4334955), (40, 3467964), (48, 2889970), (60, 2311976), (80, 1733982), (96, 1444985), (120, 1155988), (160, 866991), (240, 577994), (480, 288997)]