28328940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 168

約数和(自身を含む): 93648240

約数和(自身を除く): 65319300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 67, 81, 87, 90, 108, 116, 134, 135, 145, 162, 174, 180, 201, 243, 261, 268, 270, 290, 324, 335, 348, 402, 405, 435, 486, 522, 540, 580, 603, 670, 729, 783, 804, 810, 870, 972, 1005, 1044, 1206, 1215, 1305, 1340, 1458, 1566, 1620, 1740, 1809, 1943, 2010, 2349, 2412, 2430, 2610, 2916, 3015, 3132, 3618, 3645, 3886, 3915, 4020, 4698, 4860, 5220, 5427, 5829, 6030, 7047, 7236, 7290, 7772, 7830, 9045, 9396, 9715, 10854, 11658, 11745, 12060, 14094, 14580, 15660, 16281, 17487, 18090, 19430, 21141, 21708, 23316, 23490, 27135, 28188, 29145, 32562, 34974, 35235, 36180, 38860, 42282, 46980, 48843, 52461, 54270, 58290, 65124, 69948, 70470, 81405, 84564, 87435, 97686, 104922, 105705, 108540, 116580, 140940, 157383, 162810, 174870, 195372, 209844, 211410, 244215, 262305, 314766, 325620, 349740, 422820, 472149, 488430, 524610, 629532, 786915, 944298, 976860, 1049220, 1416447, 1573830, 1888596, 2360745, 2832894, 3147660, 4721490, 5665788, 7082235, 9442980, 14164470, 28328940]

約数ペア:

[(1, 28328940), (2, 14164470), (3, 9442980), (4, 7082235), (5, 5665788), (6, 4721490), (9, 3147660), (10, 2832894), (12, 2360745), (15, 1888596), (18, 1573830), (20, 1416447), (27, 1049220), (29, 976860), (30, 944298), (36, 786915), (45, 629532), (54, 524610), (58, 488430), (60, 472149), (67, 422820), (81, 349740), (87, 325620), (90, 314766), (108, 262305), (116, 244215), (134, 211410), (135, 209844), (145, 195372), (162, 174870), (174, 162810), (180, 157383), (201, 140940), (243, 116580), (261, 108540), (268, 105705), (270, 104922), (290, 97686), (324, 87435), (335, 84564), (348, 81405), (402, 70470), (405, 69948), (435, 65124), (486, 58290), (522, 54270), (540, 52461), (580, 48843), (603, 46980), (670, 42282), (729, 38860), (783, 36180), (804, 35235), (810, 34974), (870, 32562), (972, 29145), (1005, 28188), (1044, 27135), (1206, 23490), (1215, 23316), (1305, 21708), (1340, 21141), (1458, 19430), (1566, 18090), (1620, 17487), (1740, 16281), (1809, 15660), (1943, 14580), (2010, 14094), (2349, 12060), (2412, 11745), (2430, 11658), (2610, 10854), (2916, 9715), (3015, 9396), (3132, 9045), (3618, 7830), (3645, 7772), (3886, 7290), (3915, 7236), (4020, 7047), (4698, 6030), (4860, 5829), (5220, 5427)]