77987760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{324949}}^1$

素因数の和:324965

約数の個数: 40

約数和(自身を含む): 241762800

約数和(自身を除く): 163775040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 324949, 649898, 974847, 1299796, 1624745, 1949694, 2599592, 3249490, 3899388, 4874235, 5199184, 6498980, 7798776, 9748470, 12997960, 15597552, 19496940, 25995920, 38993880, 77987760]

約数ペア:

[(1, 77987760), (2, 38993880), (3, 25995920), (4, 19496940), (5, 15597552), (6, 12997960), (8, 9748470), (10, 7798776), (12, 6498980), (15, 5199184), (16, 4874235), (20, 3899388), (24, 3249490), (30, 2599592), (40, 1949694), (48, 1624745), (60, 1299796), (80, 974847), (120, 649898), (240, 324949)]