212564520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:965

約数の個数: 256

約数和(自身を含む): 836812800

約数和(自身を除く): 624248280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 42, 45, 54, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 108, 120, 124, 126, 135, 140, 155, 168, 180, 186, 189, 210, 216, 217, 248, 252, 270, 279, 280, 310, 315, 360, 372, 378, 420, 434, 465, 504, 540, 558, 620, 630, 651, 744, 756, 837, 840, 868, 907, 930, 945, 1080, 1085, 1116, 1240, 1260, 1302, 1395, 1512, 1674, 1736, 1814, 1860, 1890, 1953, 2170, 2232, 2520, 2604, 2721, 2790, 3255, 3348, 3628, 3720, 3780, 3906, 4185, 4340, 4535, 5208, 5442, 5580, 5859, 6349, 6510, 6696, 7256, 7560, 7812, 8163, 8370, 8680, 9070, 9765, 10884, 11160, 11718, 12698, 13020, 13605, 15624, 16326, 16740, 18140, 19047, 19530, 21768, 23436, 24489, 25396, 26040, 27210, 28117, 29295, 31745, 32652, 33480, 36280, 38094, 39060, 40815, 46872, 48978, 50792, 54420, 56234, 57141, 58590, 63490, 65304, 76188, 78120, 81630, 84351, 95235, 97956, 108840, 112468, 114282, 117180, 122445, 126980, 140585, 152376, 163260, 168702, 171423, 190470, 195912, 196819, 224936, 228564, 234360, 244890, 253053, 253960, 281170, 285705, 326520, 337404, 342846, 380940, 393638, 421755, 457128, 489780, 506106, 562340, 571410, 590457, 674808, 685692, 759159, 761880, 787276, 843510, 857115, 979560, 984095, 1012212, 1124680, 1142820, 1180914, 1265265, 1371384, 1518318, 1574552, 1687020, 1714230, 1771371, 1968190, 2024424, 2285640, 2361828, 2530530, 2952285, 3036636, 3374040, 3428460, 3542742, 3795795, 3936380, 4723656, 5061060, 5314113, 5904570, 6073272, 6856920, 7085484, 7591590, 7872760, 8856855, 10122120, 10628226, 11809140, 14170968, 15183180, 17713710, 21256452, 23618280, 26570565, 30366360, 35427420, 42512904, 53141130, 70854840, 106282260, 212564520]

約数ペア:

[(1, 212564520), (2, 106282260), (3, 70854840), (4, 53141130), (5, 42512904), (6, 35427420), (7, 30366360), (8, 26570565), (9, 23618280), (10, 21256452), (12, 17713710), (14, 15183180), (15, 14170968), (18, 11809140), (20, 10628226), (21, 10122120), (24, 8856855), (27, 7872760), (28, 7591590), (30, 7085484), (31, 6856920), (35, 6073272), (36, 5904570), (40, 5314113), (42, 5061060), (45, 4723656), (54, 3936380), (56, 3795795), (60, 3542742), (62, 3428460), (63, 3374040), (70, 3036636), (72, 2952285), (84, 2530530), (90, 2361828), (93, 2285640), (105, 2024424), (108, 1968190), (120, 1771371), (124, 1714230), (126, 1687020), (135, 1574552), (140, 1518318), (155, 1371384), (168, 1265265), (180, 1180914), (186, 1142820), (189, 1124680), (210, 1012212), (216, 984095), (217, 979560), (248, 857115), (252, 843510), (270, 787276), (279, 761880), (280, 759159), (310, 685692), (315, 674808), (360, 590457), (372, 571410), (378, 562340), (420, 506106), (434, 489780), (465, 457128), (504, 421755), (540, 393638), (558, 380940), (620, 342846), (630, 337404), (651, 326520), (744, 285705), (756, 281170), (837, 253960), (840, 253053), (868, 244890), (907, 234360), (930, 228564), (945, 224936), (1080, 196819), (1085, 195912), (1116, 190470), (1240, 171423), (1260, 168702), (1302, 163260), (1395, 152376), (1512, 140585), (1674, 126980), (1736, 122445), (1814, 117180), (1860, 114282), (1890, 112468), (1953, 108840), (2170, 97956), (2232, 95235), (2520, 84351), (2604, 81630), (2721, 78120), (2790, 76188), (3255, 65304), (3348, 63490), (3628, 58590), (3720, 57141), (3780, 56234), (3906, 54420), (4185, 50792), (4340, 48978), (4535, 46872), (5208, 40815), (5442, 39060), (5580, 38094), (5859, 36280), (6349, 33480), (6510, 32652), (6696, 31745), (7256, 29295), (7560, 28117), (7812, 27210), (8163, 26040), (8370, 25396), (8680, 24489), (9070, 23436), (9765, 21768), (10884, 19530), (11160, 19047), (11718, 18140), (12698, 16740), (13020, 16326), (13605, 15624)]