285067440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 240

約数和(自身を含む): 1104000768

約数和(自身を除く): 818933328

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, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 163, 168, 180, 210, 240, 252, 280, 315, 326, 336, 347, 360, 420, 489, 504, 560, 630, 652, 694, 720, 815, 840, 978, 1008, 1041, 1141, 1260, 1304, 1388, 1467, 1630, 1680, 1735, 1956, 2082, 2282, 2429, 2445, 2520, 2608, 2776, 2934, 3123, 3260, 3423, 3470, 3912, 4164, 4564, 4858, 4890, 5040, 5205, 5552, 5705, 5868, 6246, 6520, 6846, 6940, 7287, 7335, 7824, 8328, 9128, 9716, 9780, 10269, 10410, 11410, 11736, 12145, 12492, 13040, 13692, 13880, 14574, 14670, 15615, 16656, 17115, 18256, 19432, 19560, 20538, 20820, 21861, 22820, 23472, 24290, 24984, 27384, 27760, 29148, 29340, 31230, 34230, 36435, 38864, 39120, 41076, 41640, 43722, 45640, 48580, 49968, 51345, 54768, 56561, 58296, 58680, 62460, 68460, 72870, 82152, 83280, 87444, 91280, 97160, 102690, 109305, 113122, 116592, 117360, 124920, 136920, 145740, 164304, 169683, 174888, 194320, 205380, 218610, 226244, 249840, 273840, 282805, 291480, 339366, 349776, 395927, 410760, 437220, 452488, 509049, 565610, 582960, 678732, 791854, 821520, 848415, 874440, 904976, 1018098, 1131220, 1187781, 1357464, 1583708, 1696830, 1748880, 1979635, 2036196, 2262440, 2375562, 2545245, 2714928, 3167416, 3393660, 3563343, 3959270, 4072392, 4524880, 4751124, 5090490, 5938905, 6334832, 6787320, 7126686, 7918540, 8144784, 9502248, 10180980, 11877810, 13574640, 14253372, 15837080, 17816715, 19004496, 20361960, 23755620, 28506744, 31674160, 35633430, 40723920, 47511240, 57013488, 71266860, 95022480, 142533720, 285067440]

約数ペア:

[(1, 285067440), (2, 142533720), (3, 95022480), (4, 71266860), (5, 57013488), (6, 47511240), (7, 40723920), (8, 35633430), (9, 31674160), (10, 28506744), (12, 23755620), (14, 20361960), (15, 19004496), (16, 17816715), (18, 15837080), (20, 14253372), (21, 13574640), (24, 11877810), (28, 10180980), (30, 9502248), (35, 8144784), (36, 7918540), (40, 7126686), (42, 6787320), (45, 6334832), (48, 5938905), (56, 5090490), (60, 4751124), (63, 4524880), (70, 4072392), (72, 3959270), (80, 3563343), (84, 3393660), (90, 3167416), (105, 2714928), (112, 2545245), (120, 2375562), (126, 2262440), (140, 2036196), (144, 1979635), (163, 1748880), (168, 1696830), (180, 1583708), (210, 1357464), (240, 1187781), (252, 1131220), (280, 1018098), (315, 904976), (326, 874440), (336, 848415), (347, 821520), (360, 791854), (420, 678732), (489, 582960), (504, 565610), (560, 509049), (630, 452488), (652, 437220), (694, 410760), (720, 395927), (815, 349776), (840, 339366), (978, 291480), (1008, 282805), (1041, 273840), (1141, 249840), (1260, 226244), (1304, 218610), (1388, 205380), (1467, 194320), (1630, 174888), (1680, 169683), (1735, 164304), (1956, 145740), (2082, 136920), (2282, 124920), (2429, 117360), (2445, 116592), (2520, 113122), (2608, 109305), (2776, 102690), (2934, 97160), (3123, 91280), (3260, 87444), (3423, 83280), (3470, 82152), (3912, 72870), (4164, 68460), (4564, 62460), (4858, 58680), (4890, 58296), (5040, 56561), (5205, 54768), (5552, 51345), (5705, 49968), (5868, 48580), (6246, 45640), (6520, 43722), (6846, 41640), (6940, 41076), (7287, 39120), (7335, 38864), (7824, 36435), (8328, 34230), (9128, 31230), (9716, 29340), (9780, 29148), (10269, 27760), (10410, 27384), (11410, 24984), (11736, 24290), (12145, 23472), (12492, 22820), (13040, 21861), (13692, 20820), (13880, 20538), (14574, 19560), (14670, 19432), (15615, 18256), (16656, 17115)]