239917440

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{17851}}^1$

素因数の和:17880

約数の個数: 128

約数和(自身を含む): 874033920

約数和(自身を除く): 634116480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 17851, 35702, 53553, 71404, 89255, 107106, 124957, 142808, 178510, 214212, 249914, 267765, 285616, 357020, 374871, 428424, 499828, 535530, 571232, 624785, 714040, 749742, 856848, 999656, 1071060, 1142464, 1249570, 1428080, 1499484, 1713696, 1874355, 1999312, 2142120, 2284928, 2499140, 2856160, 2998968, 3427392, 3748710, 3998624, 4284240, 4998280, 5712320, 5997936, 6854784, 7497420, 7997248, 8568480, 9996560, 11424640, 11995872, 14994840, 15994496, 17136960, 19993120, 23991744, 29989680, 34273920, 39986240, 47983488, 59979360, 79972480, 119958720, 239917440]

約数ペア:

[(1, 239917440), (2, 119958720), (3, 79972480), (4, 59979360), (5, 47983488), (6, 39986240), (7, 34273920), (8, 29989680), (10, 23991744), (12, 19993120), (14, 17136960), (15, 15994496), (16, 14994840), (20, 11995872), (21, 11424640), (24, 9996560), (28, 8568480), (30, 7997248), (32, 7497420), (35, 6854784), (40, 5997936), (42, 5712320), (48, 4998280), (56, 4284240), (60, 3998624), (64, 3748710), (70, 3427392), (80, 2998968), (84, 2856160), (96, 2499140), (105, 2284928), (112, 2142120), (120, 1999312), (128, 1874355), (140, 1713696), (160, 1499484), (168, 1428080), (192, 1249570), (210, 1142464), (224, 1071060), (240, 999656), (280, 856848), (320, 749742), (336, 714040), (384, 624785), (420, 571232), (448, 535530), (480, 499828), (560, 428424), (640, 374871), (672, 357020), (840, 285616), (896, 267765), (960, 249914), (1120, 214212), (1344, 178510), (1680, 142808), (1920, 124957), (2240, 107106), (2688, 89255), (3360, 71404), (4480, 53553), (6720, 35702), (13440, 17851)]