820312920

素因数分解:

$2^3\times 3^4\times 5^1\times 7^2\times {\mathrm{5167}}^1$

素因数の和:5204

約数の個数: 240

約数和(自身を含む): 3207932640

約数和(自身を除く): 2387619720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 81, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 162, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 324, 360, 378, 392, 405, 420, 441, 490, 504, 540, 567, 588, 630, 648, 735, 756, 810, 840, 882, 945, 980, 1080, 1134, 1176, 1260, 1323, 1470, 1512, 1620, 1764, 1890, 1960, 2205, 2268, 2520, 2646, 2835, 2940, 3240, 3528, 3780, 3969, 4410, 4536, 5167, 5292, 5670, 5880, 6615, 7560, 7938, 8820, 10334, 10584, 11340, 13230, 15501, 15876, 17640, 19845, 20668, 22680, 25835, 26460, 31002, 31752, 36169, 39690, 41336, 46503, 51670, 52920, 62004, 72338, 77505, 79380, 93006, 103340, 108507, 124008, 139509, 144676, 155010, 158760, 180845, 186012, 206680, 217014, 232515, 253183, 279018, 289352, 310020, 325521, 361690, 372024, 418527, 434028, 465030, 506366, 542535, 558036, 620040, 651042, 697545, 723380, 759549, 837054, 868056, 930060, 976563, 1012732, 1085070, 1116072, 1265915, 1302084, 1395090, 1446760, 1519098, 1627605, 1674108, 1860120, 1953126, 2025464, 2092635, 2170140, 2278647, 2531830, 2604168, 2790180, 2929689, 3038196, 3255210, 3348216, 3797745, 3906252, 4185270, 4340280, 4557294, 4882815, 5063660, 5580360, 5859378, 6076392, 6510420, 6835941, 7595490, 7812504, 8370540, 9114588, 9765630, 10127320, 11393235, 11718756, 13020840, 13671882, 14648445, 15190980, 16741080, 18229176, 19531260, 20507823, 22786470, 23437512, 27343764, 29296890, 30381960, 34179705, 39062520, 41015646, 45572940, 54687528, 58593780, 68359410, 82031292, 91145880, 102539115, 117187560, 136718820, 164062584, 205078230, 273437640, 410156460, 820312920]

約数ペア:

[(1, 820312920), (2, 410156460), (3, 273437640), (4, 205078230), (5, 164062584), (6, 136718820), (7, 117187560), (8, 102539115), (9, 91145880), (10, 82031292), (12, 68359410), (14, 58593780), (15, 54687528), (18, 45572940), (20, 41015646), (21, 39062520), (24, 34179705), (27, 30381960), (28, 29296890), (30, 27343764), (35, 23437512), (36, 22786470), (40, 20507823), (42, 19531260), (45, 18229176), (49, 16741080), (54, 15190980), (56, 14648445), (60, 13671882), (63, 13020840), (70, 11718756), (72, 11393235), (81, 10127320), (84, 9765630), (90, 9114588), (98, 8370540), (105, 7812504), (108, 7595490), (120, 6835941), (126, 6510420), (135, 6076392), (140, 5859378), (147, 5580360), (162, 5063660), (168, 4882815), (180, 4557294), (189, 4340280), (196, 4185270), (210, 3906252), (216, 3797745), (245, 3348216), (252, 3255210), (270, 3038196), (280, 2929689), (294, 2790180), (315, 2604168), (324, 2531830), (360, 2278647), (378, 2170140), (392, 2092635), (405, 2025464), (420, 1953126), (441, 1860120), (490, 1674108), (504, 1627605), (540, 1519098), (567, 1446760), (588, 1395090), (630, 1302084), (648, 1265915), (735, 1116072), (756, 1085070), (810, 1012732), (840, 976563), (882, 930060), (945, 868056), (980, 837054), (1080, 759549), (1134, 723380), (1176, 697545), (1260, 651042), (1323, 620040), (1470, 558036), (1512, 542535), (1620, 506366), (1764, 465030), (1890, 434028), (1960, 418527), (2205, 372024), (2268, 361690), (2520, 325521), (2646, 310020), (2835, 289352), (2940, 279018), (3240, 253183), (3528, 232515), (3780, 217014), (3969, 206680), (4410, 186012), (4536, 180845), (5167, 158760), (5292, 155010), (5670, 144676), (5880, 139509), (6615, 124008), (7560, 108507), (7938, 103340), (8820, 93006), (10334, 79380), (10584, 77505), (11340, 72338), (13230, 62004), (15501, 52920), (15876, 51670), (17640, 46503), (19845, 41336), (20668, 39690), (22680, 36169), (25835, 31752), (26460, 31002)]