231338240

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{25819}}^1$

素因数の和:25847

約数の個数: 72

約数和(自身を含む): 633312960

約数和(自身を除く): 401974720

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 25819, 51638, 103276, 129095, 180733, 206552, 258190, 361466, 413104, 516380, 722932, 826208, 903665, 1032760, 1445864, 1652416, 1807330, 2065520, 2891728, 3304832, 3614660, 4131040, 5783456, 6609664, 7229320, 8262080, 11566912, 14458640, 16524160, 23133824, 28917280, 33048320, 46267648, 57834560, 115669120, 231338240]

約数ペア:

[(1, 231338240), (2, 115669120), (4, 57834560), (5, 46267648), (7, 33048320), (8, 28917280), (10, 23133824), (14, 16524160), (16, 14458640), (20, 11566912), (28, 8262080), (32, 7229320), (35, 6609664), (40, 5783456), (56, 4131040), (64, 3614660), (70, 3304832), (80, 2891728), (112, 2065520), (128, 1807330), (140, 1652416), (160, 1445864), (224, 1032760), (256, 903665), (280, 826208), (320, 722932), (448, 516380), (560, 413104), (640, 361466), (896, 258190), (1120, 206552), (1280, 180733), (1792, 129095), (2240, 103276), (4480, 51638), (8960, 25819)]