4005960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 14515200

約数和(自身を除く): 10509240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 251, 266, 280, 285, 380, 399, 420, 456, 502, 532, 570, 665, 753, 760, 798, 840, 1004, 1064, 1140, 1255, 1330, 1506, 1596, 1757, 1995, 2008, 2280, 2510, 2660, 3012, 3192, 3514, 3765, 3990, 4769, 5020, 5271, 5320, 6024, 7028, 7530, 7980, 8785, 9538, 10040, 10542, 14056, 14307, 15060, 15960, 17570, 19076, 21084, 23845, 26355, 28614, 30120, 33383, 35140, 38152, 42168, 47690, 52710, 57228, 66766, 70280, 71535, 95380, 100149, 105420, 114456, 133532, 143070, 166915, 190760, 200298, 210840, 267064, 286140, 333830, 400596, 500745, 572280, 667660, 801192, 1001490, 1335320, 2002980, 4005960]

約数ペア:

[(1, 4005960), (2, 2002980), (3, 1335320), (4, 1001490), (5, 801192), (6, 667660), (7, 572280), (8, 500745), (10, 400596), (12, 333830), (14, 286140), (15, 267064), (19, 210840), (20, 200298), (21, 190760), (24, 166915), (28, 143070), (30, 133532), (35, 114456), (38, 105420), (40, 100149), (42, 95380), (56, 71535), (57, 70280), (60, 66766), (70, 57228), (76, 52710), (84, 47690), (95, 42168), (105, 38152), (114, 35140), (120, 33383), (133, 30120), (140, 28614), (152, 26355), (168, 23845), (190, 21084), (210, 19076), (228, 17570), (251, 15960), (266, 15060), (280, 14307), (285, 14056), (380, 10542), (399, 10040), (420, 9538), (456, 8785), (502, 7980), (532, 7530), (570, 7028), (665, 6024), (753, 5320), (760, 5271), (798, 5020), (840, 4769), (1004, 3990), (1064, 3765), (1140, 3514), (1255, 3192), (1330, 3012), (1506, 2660), (1596, 2510), (1757, 2280), (1995, 2008)]