72378880

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{577}}^1$

素因数の和:614

約数の個数: 120

約数和(自身を含む): 202222548

約数和(自身を除く): 129843668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 512, 560, 577, 640, 784, 896, 980, 1120, 1154, 1280, 1568, 1792, 1960, 2240, 2308, 2560, 2885, 3136, 3584, 3920, 4039, 4480, 4616, 5770, 6272, 7840, 8078, 8960, 9232, 11540, 12544, 15680, 16156, 17920, 18464, 20195, 23080, 25088, 28273, 31360, 32312, 36928, 40390, 46160, 56546, 62720, 64624, 73856, 80780, 92320, 113092, 125440, 129248, 141365, 147712, 161560, 184640, 226184, 258496, 282730, 295424, 323120, 369280, 452368, 516992, 565460, 646240, 738560, 904736, 1033984, 1130920, 1292480, 1477120, 1809472, 2067968, 2261840, 2584960, 3618944, 4523680, 5169920, 7237888, 9047360, 10339840, 14475776, 18094720, 36189440, 72378880]

約数ペア:

[(1, 72378880), (2, 36189440), (4, 18094720), (5, 14475776), (7, 10339840), (8, 9047360), (10, 7237888), (14, 5169920), (16, 4523680), (20, 3618944), (28, 2584960), (32, 2261840), (35, 2067968), (40, 1809472), (49, 1477120), (56, 1292480), (64, 1130920), (70, 1033984), (80, 904736), (98, 738560), (112, 646240), (128, 565460), (140, 516992), (160, 452368), (196, 369280), (224, 323120), (245, 295424), (256, 282730), (280, 258496), (320, 226184), (392, 184640), (448, 161560), (490, 147712), (512, 141365), (560, 129248), (577, 125440), (640, 113092), (784, 92320), (896, 80780), (980, 73856), (1120, 64624), (1154, 62720), (1280, 56546), (1568, 46160), (1792, 40390), (1960, 36928), (2240, 32312), (2308, 31360), (2560, 28273), (2885, 25088), (3136, 23080), (3584, 20195), (3920, 18464), (4039, 17920), (4480, 16156), (4616, 15680), (5770, 12544), (6272, 11540), (7840, 9232), (8078, 8960)]