215389440

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{2671}}^1$

素因数の和:2705

約数の個数: 216

約数和(自身を含む): 852004608

約数和(自身を除く): 636615168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2671, 2688, 2880, 3360, 3840, 4032, 4480, 5040, 5342, 5376, 5760, 6720, 8013, 8064, 8960, 10080, 10684, 11520, 13355, 13440, 16026, 16128, 18697, 20160, 21368, 24039, 26710, 26880, 32052, 37394, 40065, 40320, 42736, 48078, 53420, 56091, 64104, 74788, 80130, 80640, 85472, 93485, 96156, 106840, 112182, 120195, 128208, 149576, 160260, 168273, 170944, 186970, 192312, 213680, 224364, 240390, 256416, 280455, 299152, 320520, 336546, 341888, 373940, 384624, 427360, 448728, 480780, 512832, 560910, 598304, 641040, 673092, 683776, 747880, 769248, 841365, 854720, 897456, 961560, 1025664, 1121820, 1196608, 1282080, 1346184, 1495760, 1538496, 1682730, 1709440, 1794912, 1923120, 2051328, 2243640, 2393216, 2564160, 2692368, 2991520, 3076992, 3365460, 3418880, 3589824, 3846240, 4487280, 4786432, 5128320, 5384736, 5983040, 6153984, 6730920, 7179648, 7692480, 8974560, 10256640, 10769472, 11966080, 13461840, 14359296, 15384960, 17949120, 21538944, 23932160, 26923680, 30769920, 35898240, 43077888, 53847360, 71796480, 107694720, 215389440]

約数ペア:

[(1, 215389440), (2, 107694720), (3, 71796480), (4, 53847360), (5, 43077888), (6, 35898240), (7, 30769920), (8, 26923680), (9, 23932160), (10, 21538944), (12, 17949120), (14, 15384960), (15, 14359296), (16, 13461840), (18, 11966080), (20, 10769472), (21, 10256640), (24, 8974560), (28, 7692480), (30, 7179648), (32, 6730920), (35, 6153984), (36, 5983040), (40, 5384736), (42, 5128320), (45, 4786432), (48, 4487280), (56, 3846240), (60, 3589824), (63, 3418880), (64, 3365460), (70, 3076992), (72, 2991520), (80, 2692368), (84, 2564160), (90, 2393216), (96, 2243640), (105, 2051328), (112, 1923120), (120, 1794912), (126, 1709440), (128, 1682730), (140, 1538496), (144, 1495760), (160, 1346184), (168, 1282080), (180, 1196608), (192, 1121820), (210, 1025664), (224, 961560), (240, 897456), (252, 854720), (256, 841365), (280, 769248), (288, 747880), (315, 683776), (320, 673092), (336, 641040), (360, 598304), (384, 560910), (420, 512832), (448, 480780), (480, 448728), (504, 427360), (560, 384624), (576, 373940), (630, 341888), (640, 336546), (672, 320520), (720, 299152), (768, 280455), (840, 256416), (896, 240390), (960, 224364), (1008, 213680), (1120, 192312), (1152, 186970), (1260, 170944), (1280, 168273), (1344, 160260), (1440, 149576), (1680, 128208), (1792, 120195), (1920, 112182), (2016, 106840), (2240, 96156), (2304, 93485), (2520, 85472), (2671, 80640), (2688, 80130), (2880, 74788), (3360, 64104), (3840, 56091), (4032, 53420), (4480, 48078), (5040, 42736), (5342, 40320), (5376, 40065), (5760, 37394), (6720, 32052), (8013, 26880), (8064, 26710), (8960, 24039), (10080, 21368), (10684, 20160), (11520, 18697), (13355, 16128), (13440, 16026)]