217574640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{383}}^1$

素因数の和:668

約数の個数: 160

約数和(自身を含む): 754237440

約数和(自身を除く): 536662800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 263, 270, 360, 383, 432, 526, 540, 720, 766, 789, 1052, 1080, 1149, 1315, 1532, 1578, 1915, 2104, 2160, 2298, 2367, 2630, 3064, 3156, 3447, 3830, 3945, 4208, 4596, 4734, 5260, 5745, 6128, 6312, 6894, 7101, 7660, 7890, 9192, 9468, 10341, 10520, 11490, 11835, 12624, 13788, 14202, 15320, 15780, 17235, 18384, 18936, 20682, 21040, 22980, 23670, 27576, 28404, 30640, 31560, 34470, 35505, 37872, 41364, 45960, 47340, 51705, 55152, 56808, 63120, 68940, 71010, 82728, 91920, 94680, 100729, 103410, 113616, 137880, 142020, 165456, 189360, 201458, 206820, 275760, 284040, 302187, 402916, 413640, 503645, 568080, 604374, 805832, 827280, 906561, 1007290, 1208748, 1510935, 1611664, 1813122, 2014580, 2417496, 2719683, 3021870, 3626244, 4029160, 4532805, 4834992, 5439366, 6043740, 7252488, 8058320, 9065610, 10878732, 12087480, 13598415, 14504976, 18131220, 21757464, 24174960, 27196830, 36262440, 43514928, 54393660, 72524880, 108787320, 217574640]

約数ペア:

[(1, 217574640), (2, 108787320), (3, 72524880), (4, 54393660), (5, 43514928), (6, 36262440), (8, 27196830), (9, 24174960), (10, 21757464), (12, 18131220), (15, 14504976), (16, 13598415), (18, 12087480), (20, 10878732), (24, 9065610), (27, 8058320), (30, 7252488), (36, 6043740), (40, 5439366), (45, 4834992), (48, 4532805), (54, 4029160), (60, 3626244), (72, 3021870), (80, 2719683), (90, 2417496), (108, 2014580), (120, 1813122), (135, 1611664), (144, 1510935), (180, 1208748), (216, 1007290), (240, 906561), (263, 827280), (270, 805832), (360, 604374), (383, 568080), (432, 503645), (526, 413640), (540, 402916), (720, 302187), (766, 284040), (789, 275760), (1052, 206820), (1080, 201458), (1149, 189360), (1315, 165456), (1532, 142020), (1578, 137880), (1915, 113616), (2104, 103410), (2160, 100729), (2298, 94680), (2367, 91920), (2630, 82728), (3064, 71010), (3156, 68940), (3447, 63120), (3830, 56808), (3945, 55152), (4208, 51705), (4596, 47340), (4734, 45960), (5260, 41364), (5745, 37872), (6128, 35505), (6312, 34470), (6894, 31560), (7101, 30640), (7660, 28404), (7890, 27576), (9192, 23670), (9468, 22980), (10341, 21040), (10520, 20682), (11490, 18936), (11835, 18384), (12624, 17235), (13788, 15780), (14202, 15320)]