645403560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{1427}}^1\times {\mathrm{3769}}^1$

素因数の和:5210

約数の個数: 64

約数和(自身を含む): 1938081600

約数和(自身を除く): 1292678040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 1427, 2854, 3769, 4281, 5708, 7135, 7538, 8562, 11307, 11416, 14270, 15076, 17124, 18845, 21405, 22614, 28540, 30152, 34248, 37690, 42810, 45228, 56535, 57080, 75380, 85620, 90456, 113070, 150760, 171240, 226140, 452280, 5378363, 10756726, 16135089, 21513452, 26891815, 32270178, 43026904, 53783630, 64540356, 80675445, 107567260, 129080712, 161350890, 215134520, 322701780, 645403560]

約数ペア:

[(1, 645403560), (2, 322701780), (3, 215134520), (4, 161350890), (5, 129080712), (6, 107567260), (8, 80675445), (10, 64540356), (12, 53783630), (15, 43026904), (20, 32270178), (24, 26891815), (30, 21513452), (40, 16135089), (60, 10756726), (120, 5378363), (1427, 452280), (2854, 226140), (3769, 171240), (4281, 150760), (5708, 113070), (7135, 90456), (7538, 85620), (8562, 75380), (11307, 57080), (11416, 56535), (14270, 45228), (15076, 42810), (17124, 37690), (18845, 34248), (21405, 30152), (22614, 28540)]