15917880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:445

約数の個数: 128

約数和(自身を含む): 53913600

約数和(自身を除く): 37995720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 389, 440, 465, 620, 660, 682, 744, 778, 930, 1023, 1167, 1240, 1320, 1364, 1556, 1705, 1860, 1945, 2046, 2334, 2728, 3112, 3410, 3720, 3890, 4092, 4279, 4668, 5115, 5835, 6820, 7780, 8184, 8558, 9336, 10230, 11670, 12059, 12837, 13640, 15560, 17116, 20460, 21395, 23340, 24118, 25674, 34232, 36177, 40920, 42790, 46680, 48236, 51348, 60295, 64185, 72354, 85580, 96472, 102696, 120590, 128370, 132649, 144708, 171160, 180885, 241180, 256740, 265298, 289416, 361770, 397947, 482360, 513480, 530596, 663245, 723540, 795894, 1061192, 1326490, 1447080, 1591788, 1989735, 2652980, 3183576, 3979470, 5305960, 7958940, 15917880]

約数ペア:

[(1, 15917880), (2, 7958940), (3, 5305960), (4, 3979470), (5, 3183576), (6, 2652980), (8, 1989735), (10, 1591788), (11, 1447080), (12, 1326490), (15, 1061192), (20, 795894), (22, 723540), (24, 663245), (30, 530596), (31, 513480), (33, 482360), (40, 397947), (44, 361770), (55, 289416), (60, 265298), (62, 256740), (66, 241180), (88, 180885), (93, 171160), (110, 144708), (120, 132649), (124, 128370), (132, 120590), (155, 102696), (165, 96472), (186, 85580), (220, 72354), (248, 64185), (264, 60295), (310, 51348), (330, 48236), (341, 46680), (372, 42790), (389, 40920), (440, 36177), (465, 34232), (620, 25674), (660, 24118), (682, 23340), (744, 21395), (778, 20460), (930, 17116), (1023, 15560), (1167, 13640), (1240, 12837), (1320, 12059), (1364, 11670), (1556, 10230), (1705, 9336), (1860, 8558), (1945, 8184), (2046, 7780), (2334, 6820), (2728, 5835), (3112, 5115), (3410, 4668), (3720, 4279), (3890, 4092)]