78945960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38699}}^1$

素因数の和:38730

約数の個数: 64

約数和(自身を含む): 250776000

約数和(自身を除く): 171830040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 38699, 77398, 116097, 154796, 193495, 232194, 309592, 386990, 464388, 580485, 657883, 773980, 928776, 1160970, 1315766, 1547960, 1973649, 2321940, 2631532, 3289415, 3947298, 4643880, 5263064, 6578830, 7894596, 9868245, 13157660, 15789192, 19736490, 26315320, 39472980, 78945960]

約数ペア:

[(1, 78945960), (2, 39472980), (3, 26315320), (4, 19736490), (5, 15789192), (6, 13157660), (8, 9868245), (10, 7894596), (12, 6578830), (15, 5263064), (17, 4643880), (20, 3947298), (24, 3289415), (30, 2631532), (34, 2321940), (40, 1973649), (51, 1547960), (60, 1315766), (68, 1160970), (85, 928776), (102, 773980), (120, 657883), (136, 580485), (170, 464388), (204, 386990), (255, 309592), (340, 232194), (408, 193495), (510, 154796), (680, 116097), (1020, 77398), (2040, 38699)]