64643760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89783}}^1$

素因数の和:89802

約数の個数: 60

約数和(自身を含む): 217097712

約数和(自身を除く): 152453952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 89783, 179566, 269349, 359132, 448915, 538698, 718264, 808047, 897830, 1077396, 1346745, 1436528, 1616094, 1795660, 2154792, 2693490, 3232188, 3591320, 4040235, 4309584, 5386980, 6464376, 7182640, 8080470, 10773960, 12928752, 16160940, 21547920, 32321880, 64643760]

約数ペア:

[(1, 64643760), (2, 32321880), (3, 21547920), (4, 16160940), (5, 12928752), (6, 10773960), (8, 8080470), (9, 7182640), (10, 6464376), (12, 5386980), (15, 4309584), (16, 4040235), (18, 3591320), (20, 3232188), (24, 2693490), (30, 2154792), (36, 1795660), (40, 1616094), (45, 1436528), (48, 1346745), (60, 1077396), (72, 897830), (80, 808047), (90, 718264), (120, 538698), (144, 448915), (180, 359132), (240, 269349), (360, 179566), (720, 89783)]