320973760

素因数分解:

$2^6\times 5^1\times {\mathrm{971}}^1\times {\mathrm{1033}}^1$

素因数の和:2021

約数の個数: 56

約数和(自身を含む): 765846576

約数和(自身を除く): 444872816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 971, 1033, 1942, 2066, 3884, 4132, 4855, 5165, 7768, 8264, 9710, 10330, 15536, 16528, 19420, 20660, 31072, 33056, 38840, 41320, 62144, 66112, 77680, 82640, 155360, 165280, 310720, 330560, 1003043, 2006086, 4012172, 5015215, 8024344, 10030430, 16048688, 20060860, 32097376, 40121720, 64194752, 80243440, 160486880, 320973760]

約数ペア:

[(1, 320973760), (2, 160486880), (4, 80243440), (5, 64194752), (8, 40121720), (10, 32097376), (16, 20060860), (20, 16048688), (32, 10030430), (40, 8024344), (64, 5015215), (80, 4012172), (160, 2006086), (320, 1003043), (971, 330560), (1033, 310720), (1942, 165280), (2066, 155360), (3884, 82640), (4132, 77680), (4855, 66112), (5165, 62144), (7768, 41320), (8264, 38840), (9710, 33056), (10330, 31072), (15536, 20660), (16528, 19420)]