140940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{29}}^1$

素因数の和:53

約数の個数: 72

約数和(自身を含む): 458640

約数和(自身を除く): 317700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 243, 261, 270, 290, 324, 348, 405, 435, 486, 522, 540, 580, 783, 810, 870, 972, 1044, 1215, 1305, 1566, 1620, 1740, 2349, 2430, 2610, 3132, 3915, 4698, 4860, 5220, 7047, 7830, 9396, 11745, 14094, 15660, 23490, 28188, 35235, 46980, 70470, 140940]

約数ペア:

[(1, 140940), (2, 70470), (3, 46980), (4, 35235), (5, 28188), (6, 23490), (9, 15660), (10, 14094), (12, 11745), (15, 9396), (18, 7830), (20, 7047), (27, 5220), (29, 4860), (30, 4698), (36, 3915), (45, 3132), (54, 2610), (58, 2430), (60, 2349), (81, 1740), (87, 1620), (90, 1566), (108, 1305), (116, 1215), (135, 1044), (145, 972), (162, 870), (174, 810), (180, 783), (243, 580), (261, 540), (270, 522), (290, 486), (324, 435), (348, 405)]