66523520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 128

約数和(自身を含む): 188006400

約数和(自身を除く): 121482880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 479, 496, 560, 620, 640, 868, 896, 958, 992, 1085, 1120, 1240, 1736, 1916, 1984, 2170, 2240, 2395, 2480, 3353, 3472, 3832, 3968, 4340, 4480, 4790, 4960, 6706, 6944, 7664, 8680, 9580, 9920, 13412, 13888, 14849, 15328, 16765, 17360, 19160, 19840, 26824, 27776, 29698, 30656, 33530, 34720, 38320, 53648, 59396, 61312, 67060, 69440, 74245, 76640, 103943, 107296, 118792, 134120, 138880, 148490, 153280, 207886, 214592, 237584, 268240, 296980, 306560, 415772, 429184, 475168, 519715, 536480, 593960, 831544, 950336, 1039430, 1072960, 1187920, 1663088, 1900672, 2078860, 2145920, 2375840, 3326176, 4157720, 4751680, 6652352, 8315440, 9503360, 13304704, 16630880, 33261760, 66523520]

約数ペア:

[(1, 66523520), (2, 33261760), (4, 16630880), (5, 13304704), (7, 9503360), (8, 8315440), (10, 6652352), (14, 4751680), (16, 4157720), (20, 3326176), (28, 2375840), (31, 2145920), (32, 2078860), (35, 1900672), (40, 1663088), (56, 1187920), (62, 1072960), (64, 1039430), (70, 950336), (80, 831544), (112, 593960), (124, 536480), (128, 519715), (140, 475168), (155, 429184), (160, 415772), (217, 306560), (224, 296980), (248, 268240), (280, 237584), (310, 214592), (320, 207886), (434, 153280), (448, 148490), (479, 138880), (496, 134120), (560, 118792), (620, 107296), (640, 103943), (868, 76640), (896, 74245), (958, 69440), (992, 67060), (1085, 61312), (1120, 59396), (1240, 53648), (1736, 38320), (1916, 34720), (1984, 33530), (2170, 30656), (2240, 29698), (2395, 27776), (2480, 26824), (3353, 19840), (3472, 19160), (3832, 17360), (3968, 16765), (4340, 15328), (4480, 14849), (4790, 13888), (4960, 13412), (6706, 9920), (6944, 9580), (7664, 8680)]