209959560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3268

約数の個数: 128

約数和(自身を含む): 711561600

約数和(自身を除く): 501602040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3187, 3294, 3660, 4392, 5490, 6374, 6588, 7320, 8235, 9561, 10980, 12748, 13176, 15935, 16470, 19122, 21960, 25496, 28683, 31870, 32940, 38244, 47805, 57366, 63740, 65880, 76488, 86049, 95610, 114732, 127480, 143415, 172098, 191220, 194407, 229464, 286830, 344196, 382440, 388814, 430245, 573660, 583221, 688392, 777628, 860490, 972035, 1147320, 1166442, 1555256, 1720980, 1749663, 1944070, 2332884, 2916105, 3441960, 3499326, 3888140, 4665768, 5248989, 5832210, 6998652, 7776280, 8748315, 10497978, 11664420, 13997304, 17496630, 20995956, 23328840, 26244945, 34993260, 41991912, 52489890, 69986520, 104979780, 209959560]

約数ペア:

[(1, 209959560), (2, 104979780), (3, 69986520), (4, 52489890), (5, 41991912), (6, 34993260), (8, 26244945), (9, 23328840), (10, 20995956), (12, 17496630), (15, 13997304), (18, 11664420), (20, 10497978), (24, 8748315), (27, 7776280), (30, 6998652), (36, 5832210), (40, 5248989), (45, 4665768), (54, 3888140), (60, 3499326), (61, 3441960), (72, 2916105), (90, 2332884), (108, 1944070), (120, 1749663), (122, 1720980), (135, 1555256), (180, 1166442), (183, 1147320), (216, 972035), (244, 860490), (270, 777628), (305, 688392), (360, 583221), (366, 573660), (488, 430245), (540, 388814), (549, 382440), (610, 344196), (732, 286830), (915, 229464), (1080, 194407), (1098, 191220), (1220, 172098), (1464, 143415), (1647, 127480), (1830, 114732), (2196, 95610), (2440, 86049), (2745, 76488), (3187, 65880), (3294, 63740), (3660, 57366), (4392, 47805), (5490, 38244), (6374, 32940), (6588, 31870), (7320, 28683), (8235, 25496), (9561, 21960), (10980, 19122), (12748, 16470), (13176, 15935)]