29720320

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:166

約数の個数: 144

約数和(自身を含む): 84768768

約数和(自身を除く): 55048448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 107, 112, 124, 128, 140, 155, 160, 214, 217, 224, 248, 256, 280, 310, 320, 428, 434, 448, 496, 535, 560, 620, 640, 749, 856, 868, 896, 992, 1070, 1085, 1120, 1240, 1280, 1498, 1712, 1736, 1792, 1984, 2140, 2170, 2240, 2480, 2996, 3317, 3424, 3472, 3745, 3968, 4280, 4340, 4480, 4960, 5992, 6634, 6848, 6944, 7490, 7936, 8560, 8680, 8960, 9920, 11984, 13268, 13696, 13888, 14980, 16585, 17120, 17360, 19840, 23219, 23968, 26536, 27392, 27776, 29960, 33170, 34240, 34720, 39680, 46438, 47936, 53072, 55552, 59920, 66340, 68480, 69440, 92876, 95872, 106144, 116095, 119840, 132680, 136960, 138880, 185752, 191744, 212288, 232190, 239680, 265360, 277760, 371504, 424576, 464380, 479360, 530720, 743008, 849152, 928760, 958720, 1061440, 1486016, 1857520, 2122880, 2972032, 3715040, 4245760, 5944064, 7430080, 14860160, 29720320]

約数ペア:

[(1, 29720320), (2, 14860160), (4, 7430080), (5, 5944064), (7, 4245760), (8, 3715040), (10, 2972032), (14, 2122880), (16, 1857520), (20, 1486016), (28, 1061440), (31, 958720), (32, 928760), (35, 849152), (40, 743008), (56, 530720), (62, 479360), (64, 464380), (70, 424576), (80, 371504), (107, 277760), (112, 265360), (124, 239680), (128, 232190), (140, 212288), (155, 191744), (160, 185752), (214, 138880), (217, 136960), (224, 132680), (248, 119840), (256, 116095), (280, 106144), (310, 95872), (320, 92876), (428, 69440), (434, 68480), (448, 66340), (496, 59920), (535, 55552), (560, 53072), (620, 47936), (640, 46438), (749, 39680), (856, 34720), (868, 34240), (896, 33170), (992, 29960), (1070, 27776), (1085, 27392), (1120, 26536), (1240, 23968), (1280, 23219), (1498, 19840), (1712, 17360), (1736, 17120), (1792, 16585), (1984, 14980), (2140, 13888), (2170, 13696), (2240, 13268), (2480, 11984), (2996, 9920), (3317, 8960), (3424, 8680), (3472, 8560), (3745, 7936), (3968, 7490), (4280, 6944), (4340, 6848), (4480, 6634), (4960, 5992)]