39680640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{83}}^2$

素因数の和:191

約数の個数: 144

約数和(自身を含む): 138692970

約数和(自身を除く): 99012330

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 83, 90, 96, 120, 128, 144, 160, 166, 180, 192, 240, 249, 288, 320, 332, 360, 384, 415, 480, 498, 576, 640, 664, 720, 747, 830, 960, 996, 1152, 1245, 1328, 1440, 1494, 1660, 1920, 1992, 2490, 2656, 2880, 2988, 3320, 3735, 3984, 4980, 5312, 5760, 5976, 6640, 6889, 7470, 7968, 9960, 10624, 11952, 13280, 13778, 14940, 15936, 19920, 20667, 23904, 26560, 27556, 29880, 31872, 34445, 39840, 41334, 47808, 53120, 55112, 59760, 62001, 68890, 79680, 82668, 95616, 103335, 110224, 119520, 124002, 137780, 159360, 165336, 206670, 220448, 239040, 248004, 275560, 310005, 330672, 413340, 440896, 478080, 496008, 551120, 620010, 661344, 826680, 881792, 992016, 1102240, 1240020, 1322688, 1653360, 1984032, 2204480, 2480040, 2645376, 3306720, 3968064, 4408960, 4960080, 6613440, 7936128, 9920160, 13226880, 19840320, 39680640]

約数ペア:

[(1, 39680640), (2, 19840320), (3, 13226880), (4, 9920160), (5, 7936128), (6, 6613440), (8, 4960080), (9, 4408960), (10, 3968064), (12, 3306720), (15, 2645376), (16, 2480040), (18, 2204480), (20, 1984032), (24, 1653360), (30, 1322688), (32, 1240020), (36, 1102240), (40, 992016), (45, 881792), (48, 826680), (60, 661344), (64, 620010), (72, 551120), (80, 496008), (83, 478080), (90, 440896), (96, 413340), (120, 330672), (128, 310005), (144, 275560), (160, 248004), (166, 239040), (180, 220448), (192, 206670), (240, 165336), (249, 159360), (288, 137780), (320, 124002), (332, 119520), (360, 110224), (384, 103335), (415, 95616), (480, 82668), (498, 79680), (576, 68890), (640, 62001), (664, 59760), (720, 55112), (747, 53120), (830, 47808), (960, 41334), (996, 39840), (1152, 34445), (1245, 31872), (1328, 29880), (1440, 27556), (1494, 26560), (1660, 23904), (1920, 20667), (1992, 19920), (2490, 15936), (2656, 14940), (2880, 13778), (2988, 13280), (3320, 11952), (3735, 10624), (3984, 9960), (4980, 7968), (5312, 7470), (5760, 6889), (5976, 6640)]