15120840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{383}}^1$

素因数の和:451

約数の個数: 128

約数和(自身を含む): 53084160

約数和(自身を除く): 37963320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 383, 420, 470, 564, 658, 705, 766, 840, 940, 987, 1128, 1149, 1316, 1410, 1532, 1645, 1880, 1915, 1974, 2298, 2632, 2681, 2820, 3064, 3290, 3830, 3948, 4596, 4935, 5362, 5640, 5745, 6580, 7660, 7896, 8043, 9192, 9870, 10724, 11490, 13160, 13405, 15320, 16086, 18001, 19740, 21448, 22980, 26810, 32172, 36002, 39480, 40215, 45960, 53620, 54003, 64344, 72004, 80430, 90005, 107240, 108006, 126007, 144008, 160860, 180010, 216012, 252014, 270015, 321720, 360020, 378021, 432024, 504028, 540030, 630035, 720040, 756042, 1008056, 1080060, 1260070, 1512084, 1890105, 2160120, 2520140, 3024168, 3780210, 5040280, 7560420, 15120840]

約数ペア:

[(1, 15120840), (2, 7560420), (3, 5040280), (4, 3780210), (5, 3024168), (6, 2520140), (7, 2160120), (8, 1890105), (10, 1512084), (12, 1260070), (14, 1080060), (15, 1008056), (20, 756042), (21, 720040), (24, 630035), (28, 540030), (30, 504028), (35, 432024), (40, 378021), (42, 360020), (47, 321720), (56, 270015), (60, 252014), (70, 216012), (84, 180010), (94, 160860), (105, 144008), (120, 126007), (140, 108006), (141, 107240), (168, 90005), (188, 80430), (210, 72004), (235, 64344), (280, 54003), (282, 53620), (329, 45960), (376, 40215), (383, 39480), (420, 36002), (470, 32172), (564, 26810), (658, 22980), (705, 21448), (766, 19740), (840, 18001), (940, 16086), (987, 15320), (1128, 13405), (1149, 13160), (1316, 11490), (1410, 10724), (1532, 9870), (1645, 9192), (1880, 8043), (1915, 7896), (1974, 7660), (2298, 6580), (2632, 5745), (2681, 5640), (2820, 5362), (3064, 4935), (3290, 4596), (3830, 3948)]