15815520

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{523}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 63383040

約数和(自身を除く): 47567520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 523, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1046, 1080, 1120, 1260, 1440, 1512, 1569, 1680, 1890, 2016, 2092, 2160, 2520, 2615, 3024, 3138, 3360, 3661, 3780, 4184, 4320, 4707, 5040, 5230, 6048, 6276, 7322, 7560, 7845, 8368, 9414, 10080, 10460, 10983, 12552, 14121, 14644, 15120, 15690, 16736, 18305, 18828, 20920, 21966, 23535, 25104, 28242, 29288, 30240, 31380, 32949, 36610, 37656, 41840, 43932, 47070, 50208, 54915, 56484, 58576, 62760, 65898, 70605, 73220, 75312, 83680, 87864, 94140, 98847, 109830, 112968, 117152, 125520, 131796, 141210, 146440, 150624, 164745, 175728, 188280, 197694, 219660, 225936, 251040, 263592, 282420, 292880, 329490, 351456, 376560, 395388, 439320, 451872, 494235, 527184, 564840, 585760, 658980, 753120, 790776, 878640, 988470, 1054368, 1129680, 1317960, 1581552, 1757280, 1976940, 2259360, 2635920, 3163104, 3953880, 5271840, 7907760, 15815520]

約数ペア:

[(1, 15815520), (2, 7907760), (3, 5271840), (4, 3953880), (5, 3163104), (6, 2635920), (7, 2259360), (8, 1976940), (9, 1757280), (10, 1581552), (12, 1317960), (14, 1129680), (15, 1054368), (16, 988470), (18, 878640), (20, 790776), (21, 753120), (24, 658980), (27, 585760), (28, 564840), (30, 527184), (32, 494235), (35, 451872), (36, 439320), (40, 395388), (42, 376560), (45, 351456), (48, 329490), (54, 292880), (56, 282420), (60, 263592), (63, 251040), (70, 225936), (72, 219660), (80, 197694), (84, 188280), (90, 175728), (96, 164745), (105, 150624), (108, 146440), (112, 141210), (120, 131796), (126, 125520), (135, 117152), (140, 112968), (144, 109830), (160, 98847), (168, 94140), (180, 87864), (189, 83680), (210, 75312), (216, 73220), (224, 70605), (240, 65898), (252, 62760), (270, 58576), (280, 56484), (288, 54915), (315, 50208), (336, 47070), (360, 43932), (378, 41840), (420, 37656), (432, 36610), (480, 32949), (504, 31380), (523, 30240), (540, 29288), (560, 28242), (630, 25104), (672, 23535), (720, 21966), (756, 20920), (840, 18828), (864, 18305), (945, 16736), (1008, 15690), (1046, 15120), (1080, 14644), (1120, 14121), (1260, 12552), (1440, 10983), (1512, 10460), (1569, 10080), (1680, 9414), (1890, 8368), (2016, 7845), (2092, 7560), (2160, 7322), (2520, 6276), (2615, 6048), (3024, 5230), (3138, 5040), (3360, 4707), (3661, 4320), (3780, 4184)]