15405960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1$

素因数の和:295

約数の個数: 128

約数和(自身を含む): 50544000

約数和(自身を除く): 35138040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 29, 30, 38, 40, 57, 58, 60, 76, 87, 95, 114, 116, 120, 145, 152, 174, 190, 228, 232, 233, 285, 290, 348, 380, 435, 456, 466, 551, 570, 580, 696, 699, 760, 870, 932, 1102, 1140, 1160, 1165, 1398, 1653, 1740, 1864, 2204, 2280, 2330, 2755, 2796, 3306, 3480, 3495, 4408, 4427, 4660, 5510, 5592, 6612, 6757, 6990, 8265, 8854, 9320, 11020, 13224, 13281, 13514, 13980, 16530, 17708, 20271, 22040, 22135, 26562, 27028, 27960, 33060, 33785, 35416, 40542, 44270, 53124, 54056, 66120, 66405, 67570, 81084, 88540, 101355, 106248, 128383, 132810, 135140, 162168, 177080, 202710, 256766, 265620, 270280, 385149, 405420, 513532, 531240, 641915, 770298, 810840, 1027064, 1283830, 1540596, 1925745, 2567660, 3081192, 3851490, 5135320, 7702980, 15405960]

約数ペア:

[(1, 15405960), (2, 7702980), (3, 5135320), (4, 3851490), (5, 3081192), (6, 2567660), (8, 1925745), (10, 1540596), (12, 1283830), (15, 1027064), (19, 810840), (20, 770298), (24, 641915), (29, 531240), (30, 513532), (38, 405420), (40, 385149), (57, 270280), (58, 265620), (60, 256766), (76, 202710), (87, 177080), (95, 162168), (114, 135140), (116, 132810), (120, 128383), (145, 106248), (152, 101355), (174, 88540), (190, 81084), (228, 67570), (232, 66405), (233, 66120), (285, 54056), (290, 53124), (348, 44270), (380, 40542), (435, 35416), (456, 33785), (466, 33060), (551, 27960), (570, 27028), (580, 26562), (696, 22135), (699, 22040), (760, 20271), (870, 17708), (932, 16530), (1102, 13980), (1140, 13514), (1160, 13281), (1165, 13224), (1398, 11020), (1653, 9320), (1740, 8854), (1864, 8265), (2204, 6990), (2280, 6757), (2330, 6612), (2755, 5592), (2796, 5510), (3306, 4660), (3480, 4427), (3495, 4408)]