261969120

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{8663}}^1$

素因数の和:8694

約数の個数: 192

約数和(自身を含む): 1047997440

約数和(自身を除く): 786028320

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, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 8663, 10080, 15120, 17326, 25989, 30240, 34652, 43315, 51978, 60641, 69304, 77967, 86630, 103956, 121282, 129945, 138608, 155934, 173260, 181923, 207912, 233901, 242564, 259890, 277216, 303205, 311868, 346520, 363846, 389835, 415824, 467802, 485128, 519780, 545769, 606410, 623736, 693040, 727692, 779670, 831648, 909615, 935604, 970256, 1039560, 1091538, 1169505, 1212820, 1247472, 1386080, 1455384, 1559340, 1637307, 1819230, 1871208, 1940512, 2079120, 2183076, 2339010, 2425640, 2494944, 2728845, 2910768, 3118680, 3274614, 3638460, 3742416, 4158240, 4366152, 4678020, 4851280, 5457690, 5821536, 6237360, 6549228, 7276920, 7484832, 8186535, 8732304, 9356040, 9702560, 10915380, 12474720, 13098456, 14553840, 16373070, 17464608, 18712080, 21830760, 26196912, 29107680, 32746140, 37424160, 43661520, 52393824, 65492280, 87323040, 130984560, 261969120]

約数ペア:

[(1, 261969120), (2, 130984560), (3, 87323040), (4, 65492280), (5, 52393824), (6, 43661520), (7, 37424160), (8, 32746140), (9, 29107680), (10, 26196912), (12, 21830760), (14, 18712080), (15, 17464608), (16, 16373070), (18, 14553840), (20, 13098456), (21, 12474720), (24, 10915380), (27, 9702560), (28, 9356040), (30, 8732304), (32, 8186535), (35, 7484832), (36, 7276920), (40, 6549228), (42, 6237360), (45, 5821536), (48, 5457690), (54, 4851280), (56, 4678020), (60, 4366152), (63, 4158240), (70, 3742416), (72, 3638460), (80, 3274614), (84, 3118680), (90, 2910768), (96, 2728845), (105, 2494944), (108, 2425640), (112, 2339010), (120, 2183076), (126, 2079120), (135, 1940512), (140, 1871208), (144, 1819230), (160, 1637307), (168, 1559340), (180, 1455384), (189, 1386080), (210, 1247472), (216, 1212820), (224, 1169505), (240, 1091538), (252, 1039560), (270, 970256), (280, 935604), (288, 909615), (315, 831648), (336, 779670), (360, 727692), (378, 693040), (420, 623736), (432, 606410), (480, 545769), (504, 519780), (540, 485128), (560, 467802), (630, 415824), (672, 389835), (720, 363846), (756, 346520), (840, 311868), (864, 303205), (945, 277216), (1008, 259890), (1080, 242564), (1120, 233901), (1260, 207912), (1440, 181923), (1512, 173260), (1680, 155934), (1890, 138608), (2016, 129945), (2160, 121282), (2520, 103956), (3024, 86630), (3360, 77967), (3780, 69304), (4320, 60641), (5040, 51978), (6048, 43315), (7560, 34652), (8663, 30240), (10080, 25989), (15120, 17326)]