217429920

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:929

約数の個数: 240

約数和(自身を含む): 808647840

約数和(自身を除く): 591217920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 180, 190, 216, 228, 240, 270, 285, 288, 304, 324, 342, 360, 380, 405, 432, 456, 480, 513, 540, 570, 608, 648, 684, 720, 760, 810, 855, 864, 883, 912, 1026, 1080, 1140, 1296, 1368, 1440, 1520, 1539, 1620, 1710, 1766, 1824, 2052, 2160, 2280, 2565, 2592, 2649, 2736, 3040, 3078, 3240, 3420, 3532, 4104, 4320, 4415, 4560, 5130, 5298, 5472, 6156, 6480, 6840, 7064, 7695, 7947, 8208, 8830, 9120, 10260, 10596, 12312, 12960, 13245, 13680, 14128, 15390, 15894, 16416, 16777, 17660, 20520, 21192, 23841, 24624, 26490, 27360, 28256, 30780, 31788, 33554, 35320, 39735, 41040, 42384, 47682, 49248, 50331, 52980, 61560, 63576, 67108, 70640, 71523, 79470, 82080, 83885, 84768, 95364, 100662, 105960, 119205, 123120, 127152, 134216, 141280, 143046, 150993, 158940, 167770, 190728, 201324, 211920, 238410, 246240, 251655, 254304, 268432, 286092, 301986, 317880, 335540, 357615, 381456, 402648, 423840, 452979, 476820, 503310, 536864, 572184, 603972, 635760, 671080, 715230, 754965, 762912, 805296, 905958, 953640, 1006620, 1144368, 1207944, 1271520, 1342160, 1358937, 1430460, 1509930, 1610592, 1811916, 1907280, 2013240, 2264895, 2288736, 2415888, 2684320, 2717874, 2860920, 3019860, 3623832, 3814560, 4026480, 4529790, 4831776, 5435748, 5721840, 6039720, 6794685, 7247664, 8052960, 9059580, 10871496, 11443680, 12079440, 13589370, 14495328, 18119160, 21742992, 24158880, 27178740, 36238320, 43485984, 54357480, 72476640, 108714960, 217429920]

約数ペア:

[(1, 217429920), (2, 108714960), (3, 72476640), (4, 54357480), (5, 43485984), (6, 36238320), (8, 27178740), (9, 24158880), (10, 21742992), (12, 18119160), (15, 14495328), (16, 13589370), (18, 12079440), (19, 11443680), (20, 10871496), (24, 9059580), (27, 8052960), (30, 7247664), (32, 6794685), (36, 6039720), (38, 5721840), (40, 5435748), (45, 4831776), (48, 4529790), (54, 4026480), (57, 3814560), (60, 3623832), (72, 3019860), (76, 2860920), (80, 2717874), (81, 2684320), (90, 2415888), (95, 2288736), (96, 2264895), (108, 2013240), (114, 1907280), (120, 1811916), (135, 1610592), (144, 1509930), (152, 1430460), (160, 1358937), (162, 1342160), (171, 1271520), (180, 1207944), (190, 1144368), (216, 1006620), (228, 953640), (240, 905958), (270, 805296), (285, 762912), (288, 754965), (304, 715230), (324, 671080), (342, 635760), (360, 603972), (380, 572184), (405, 536864), (432, 503310), (456, 476820), (480, 452979), (513, 423840), (540, 402648), (570, 381456), (608, 357615), (648, 335540), (684, 317880), (720, 301986), (760, 286092), (810, 268432), (855, 254304), (864, 251655), (883, 246240), (912, 238410), (1026, 211920), (1080, 201324), (1140, 190728), (1296, 167770), (1368, 158940), (1440, 150993), (1520, 143046), (1539, 141280), (1620, 134216), (1710, 127152), (1766, 123120), (1824, 119205), (2052, 105960), (2160, 100662), (2280, 95364), (2565, 84768), (2592, 83885), (2649, 82080), (2736, 79470), (3040, 71523), (3078, 70640), (3240, 67108), (3420, 63576), (3532, 61560), (4104, 52980), (4320, 50331), (4415, 49248), (4560, 47682), (5130, 42384), (5298, 41040), (5472, 39735), (6156, 35320), (6480, 33554), (6840, 31788), (7064, 30780), (7695, 28256), (7947, 27360), (8208, 26490), (8830, 24624), (9120, 23841), (10260, 21192), (10596, 20520), (12312, 17660), (12960, 16777), (13245, 16416), (13680, 15894), (14128, 15390)]