19840320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{83}}^2$

素因数の和:189

約数の個数: 126

約数和(自身を含む): 69074538

約数和(自身を除く): 49234218

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, 144, 160, 166, 180, 192, 240, 249, 288, 320, 332, 360, 415, 480, 498, 576, 664, 720, 747, 830, 960, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2880, 2988, 3320, 3735, 3984, 4980, 5312, 5976, 6640, 6889, 7470, 7968, 9960, 11952, 13280, 13778, 14940, 15936, 19920, 20667, 23904, 26560, 27556, 29880, 34445, 39840, 41334, 47808, 55112, 59760, 62001, 68890, 79680, 82668, 103335, 110224, 119520, 124002, 137780, 165336, 206670, 220448, 239040, 248004, 275560, 310005, 330672, 413340, 440896, 496008, 551120, 620010, 661344, 826680, 992016, 1102240, 1240020, 1322688, 1653360, 1984032, 2204480, 2480040, 3306720, 3968064, 4960080, 6613440, 9920160, 19840320]

約数ペア:

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