31306240

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{1747}}^1$

素因数の和:1777

約数の個数: 80

約数和(自身を含む): 85833792

約数和(自身を除く): 54527552

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1747, 1792, 2240, 2560, 3494, 3584, 4480, 6988, 8735, 8960, 12229, 13976, 17470, 17920, 24458, 27952, 34940, 48916, 55904, 61145, 69880, 97832, 111808, 122290, 139760, 195664, 223616, 244580, 279520, 391328, 447232, 489160, 559040, 782656, 894464, 978320, 1118080, 1565312, 1956640, 2236160, 3130624, 3913280, 4472320, 6261248, 7826560, 15653120, 31306240]

約数ペア:

[(1, 31306240), (2, 15653120), (4, 7826560), (5, 6261248), (7, 4472320), (8, 3913280), (10, 3130624), (14, 2236160), (16, 1956640), (20, 1565312), (28, 1118080), (32, 978320), (35, 894464), (40, 782656), (56, 559040), (64, 489160), (70, 447232), (80, 391328), (112, 279520), (128, 244580), (140, 223616), (160, 195664), (224, 139760), (256, 122290), (280, 111808), (320, 97832), (448, 69880), (512, 61145), (560, 55904), (640, 48916), (896, 34940), (1120, 27952), (1280, 24458), (1747, 17920), (1792, 17470), (2240, 13976), (2560, 12229), (3494, 8960), (3584, 8735), (4480, 6988)]