64872080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 201862080

約数和(自身を除く): 136990000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 49, 52, 56, 65, 67, 70, 76, 80, 91, 95, 98, 104, 112, 130, 133, 134, 140, 152, 182, 190, 196, 208, 245, 247, 260, 266, 268, 280, 304, 335, 364, 380, 392, 455, 469, 490, 494, 520, 532, 536, 560, 637, 665, 670, 728, 760, 784, 871, 910, 931, 938, 980, 988, 1040, 1064, 1072, 1235, 1273, 1274, 1330, 1340, 1456, 1520, 1729, 1742, 1820, 1862, 1876, 1960, 1976, 2128, 2345, 2470, 2546, 2548, 2660, 2680, 3185, 3283, 3458, 3484, 3640, 3724, 3752, 3920, 3952, 4355, 4655, 4690, 4940, 5092, 5096, 5320, 5360, 6097, 6365, 6370, 6566, 6916, 6968, 7280, 7448, 7504, 8645, 8710, 8911, 9310, 9380, 9880, 10184, 10192, 10640, 12103, 12194, 12730, 12740, 13132, 13832, 13936, 14896, 16415, 16549, 17290, 17420, 17822, 18620, 18760, 19760, 20368, 24206, 24388, 25460, 25480, 26264, 27664, 30485, 32830, 33098, 34580, 34840, 35644, 37240, 37520, 42679, 44555, 48412, 48776, 50920, 50960, 52528, 60515, 60970, 62377, 65660, 66196, 69160, 69680, 71288, 74480, 82745, 85358, 89110, 96824, 97552, 101840, 115843, 121030, 121940, 124754, 131320, 132392, 138320, 142576, 165490, 170716, 178220, 193648, 213395, 231686, 242060, 243880, 249508, 262640, 264784, 311885, 330980, 341432, 356440, 426790, 463372, 484120, 487760, 499016, 579215, 623770, 661960, 682864, 712880, 810901, 853580, 926744, 968240, 998032, 1158430, 1247540, 1323920, 1621802, 1707160, 1853488, 2316860, 2495080, 3243604, 3414320, 4054505, 4633720, 4990160, 6487208, 8109010, 9267440, 12974416, 16218020, 32436040, 64872080]

約数ペア:

[(1, 64872080), (2, 32436040), (4, 16218020), (5, 12974416), (7, 9267440), (8, 8109010), (10, 6487208), (13, 4990160), (14, 4633720), (16, 4054505), (19, 3414320), (20, 3243604), (26, 2495080), (28, 2316860), (35, 1853488), (38, 1707160), (40, 1621802), (49, 1323920), (52, 1247540), (56, 1158430), (65, 998032), (67, 968240), (70, 926744), (76, 853580), (80, 810901), (91, 712880), (95, 682864), (98, 661960), (104, 623770), (112, 579215), (130, 499016), (133, 487760), (134, 484120), (140, 463372), (152, 426790), (182, 356440), (190, 341432), (196, 330980), (208, 311885), (245, 264784), (247, 262640), (260, 249508), (266, 243880), (268, 242060), (280, 231686), (304, 213395), (335, 193648), (364, 178220), (380, 170716), (392, 165490), (455, 142576), (469, 138320), (490, 132392), (494, 131320), (520, 124754), (532, 121940), (536, 121030), (560, 115843), (637, 101840), (665, 97552), (670, 96824), (728, 89110), (760, 85358), (784, 82745), (871, 74480), (910, 71288), (931, 69680), (938, 69160), (980, 66196), (988, 65660), (1040, 62377), (1064, 60970), (1072, 60515), (1235, 52528), (1273, 50960), (1274, 50920), (1330, 48776), (1340, 48412), (1456, 44555), (1520, 42679), (1729, 37520), (1742, 37240), (1820, 35644), (1862, 34840), (1876, 34580), (1960, 33098), (1976, 32830), (2128, 30485), (2345, 27664), (2470, 26264), (2546, 25480), (2548, 25460), (2660, 24388), (2680, 24206), (3185, 20368), (3283, 19760), (3458, 18760), (3484, 18620), (3640, 17822), (3724, 17420), (3752, 17290), (3920, 16549), (3952, 16415), (4355, 14896), (4655, 13936), (4690, 13832), (4940, 13132), (5092, 12740), (5096, 12730), (5320, 12194), (5360, 12103), (6097, 10640), (6365, 10192), (6370, 10184), (6566, 9880), (6916, 9380), (6968, 9310), (7280, 8911), (7448, 8710), (7504, 8645)]