312546640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{6271}}^1$

素因数の和:6380

約数の個数: 80

約数和(自身を含む): 839946240

約数和(自身を除く): 527399600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1780, 2492, 3115, 3560, 4984, 6230, 6271, 7120, 9968, 12460, 12542, 24920, 25084, 31355, 43897, 49840, 50168, 62710, 87794, 100336, 125420, 175588, 219485, 250840, 351176, 438970, 501680, 558119, 702352, 877940, 1116238, 1755880, 2232476, 2790595, 3511760, 3906833, 4464952, 5581190, 7813666, 8929904, 11162380, 15627332, 19534165, 22324760, 31254664, 39068330, 44649520, 62509328, 78136660, 156273320, 312546640]

約数ペア:

[(1, 312546640), (2, 156273320), (4, 78136660), (5, 62509328), (7, 44649520), (8, 39068330), (10, 31254664), (14, 22324760), (16, 19534165), (20, 15627332), (28, 11162380), (35, 8929904), (40, 7813666), (56, 5581190), (70, 4464952), (80, 3906833), (89, 3511760), (112, 2790595), (140, 2232476), (178, 1755880), (280, 1116238), (356, 877940), (445, 702352), (560, 558119), (623, 501680), (712, 438970), (890, 351176), (1246, 250840), (1424, 219485), (1780, 175588), (2492, 125420), (3115, 100336), (3560, 87794), (4984, 62710), (6230, 50168), (6271, 49840), (7120, 43897), (9968, 31355), (12460, 25084), (12542, 24920)]