18451440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{523}}^1$

素因数の和:556

約数の個数: 180

約数和(自身を含む): 72220824

約数和(自身を除く): 53769384

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 523, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1046, 1176, 1260, 1470, 1569, 1680, 1764, 1960, 2092, 2205, 2352, 2520, 2615, 2940, 3138, 3528, 3661, 3920, 4184, 4410, 4707, 5040, 5230, 5880, 6276, 7056, 7322, 7845, 8368, 8820, 9414, 10460, 10983, 11760, 12552, 14644, 15690, 17640, 18305, 18828, 20920, 21966, 23535, 25104, 25627, 29288, 31380, 32949, 35280, 36610, 37656, 41840, 43932, 47070, 51254, 54915, 58576, 62760, 65898, 73220, 75312, 76881, 87864, 94140, 102508, 109830, 125520, 128135, 131796, 146440, 153762, 164745, 175728, 188280, 205016, 219660, 230643, 256270, 263592, 292880, 307524, 329490, 376560, 384405, 410032, 439320, 461286, 512540, 527184, 615048, 658980, 768810, 878640, 922572, 1025080, 1153215, 1230096, 1317960, 1537620, 1845144, 2050160, 2306430, 2635920, 3075240, 3690288, 4612860, 6150480, 9225720, 18451440]

約数ペア:

[(1, 18451440), (2, 9225720), (3, 6150480), (4, 4612860), (5, 3690288), (6, 3075240), (7, 2635920), (8, 2306430), (9, 2050160), (10, 1845144), (12, 1537620), (14, 1317960), (15, 1230096), (16, 1153215), (18, 1025080), (20, 922572), (21, 878640), (24, 768810), (28, 658980), (30, 615048), (35, 527184), (36, 512540), (40, 461286), (42, 439320), (45, 410032), (48, 384405), (49, 376560), (56, 329490), (60, 307524), (63, 292880), (70, 263592), (72, 256270), (80, 230643), (84, 219660), (90, 205016), (98, 188280), (105, 175728), (112, 164745), (120, 153762), (126, 146440), (140, 131796), (144, 128135), (147, 125520), (168, 109830), (180, 102508), (196, 94140), (210, 87864), (240, 76881), (245, 75312), (252, 73220), (280, 65898), (294, 62760), (315, 58576), (336, 54915), (360, 51254), (392, 47070), (420, 43932), (441, 41840), (490, 37656), (504, 36610), (523, 35280), (560, 32949), (588, 31380), (630, 29288), (720, 25627), (735, 25104), (784, 23535), (840, 21966), (882, 20920), (980, 18828), (1008, 18305), (1046, 17640), (1176, 15690), (1260, 14644), (1470, 12552), (1569, 11760), (1680, 10983), (1764, 10460), (1960, 9414), (2092, 8820), (2205, 8368), (2352, 7845), (2520, 7322), (2615, 7056), (2940, 6276), (3138, 5880), (3528, 5230), (3661, 5040), (3920, 4707), (4184, 4410)]