6421120

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 15667200

約数和(自身を除く): 9246080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 127, 128, 158, 160, 254, 316, 320, 395, 508, 632, 635, 640, 790, 1016, 1264, 1270, 1580, 2032, 2528, 2540, 3160, 4064, 5056, 5080, 6320, 8128, 10033, 10112, 10160, 12640, 16256, 20066, 20320, 25280, 40132, 40640, 50165, 50560, 80264, 81280, 100330, 160528, 200660, 321056, 401320, 642112, 802640, 1284224, 1605280, 3210560, 6421120]

約数ペア:

[(1, 6421120), (2, 3210560), (4, 1605280), (5, 1284224), (8, 802640), (10, 642112), (16, 401320), (20, 321056), (32, 200660), (40, 160528), (64, 100330), (79, 81280), (80, 80264), (127, 50560), (128, 50165), (158, 40640), (160, 40132), (254, 25280), (316, 20320), (320, 20066), (395, 16256), (508, 12640), (632, 10160), (635, 10112), (640, 10033), (790, 8128), (1016, 6320), (1264, 5080), (1270, 5056), (1580, 4064), (2032, 3160), (2528, 2540)]