320410240

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21767}}^1$

素因数の和:21809

約数の個数: 64

約数和(自身を含む): 799320960

約数和(自身を除く): 478910720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 21767, 43534, 87068, 108835, 174136, 217670, 348272, 435340, 500641, 696544, 870680, 1001282, 1393088, 1741360, 2002564, 2503205, 2786176, 3482720, 4005128, 5006410, 6965440, 8010256, 10012820, 13930880, 16020512, 20025640, 32041024, 40051280, 64082048, 80102560, 160205120, 320410240]

約数ペア:

[(1, 320410240), (2, 160205120), (4, 80102560), (5, 64082048), (8, 40051280), (10, 32041024), (16, 20025640), (20, 16020512), (23, 13930880), (32, 10012820), (40, 8010256), (46, 6965440), (64, 5006410), (80, 4005128), (92, 3482720), (115, 2786176), (128, 2503205), (160, 2002564), (184, 1741360), (230, 1393088), (320, 1001282), (368, 870680), (460, 696544), (640, 500641), (736, 435340), (920, 348272), (1472, 217670), (1840, 174136), (2944, 108835), (3680, 87068), (7360, 43534), (14720, 21767)]