331825280

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6563}}^1$

素因数の和:6661

約数の個数: 64

約数和(自身を含む): 803433600

約数和(自身を除く): 471608320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3160, 5056, 6320, 6563, 10112, 12640, 13126, 25280, 26252, 32815, 50560, 52504, 65630, 105008, 131260, 210016, 262520, 420032, 518477, 525040, 840064, 1036954, 1050080, 2073908, 2100160, 2592385, 4147816, 4200320, 5184770, 8295632, 10369540, 16591264, 20739080, 33182528, 41478160, 66365056, 82956320, 165912640, 331825280]

約数ペア:

[(1, 331825280), (2, 165912640), (4, 82956320), (5, 66365056), (8, 41478160), (10, 33182528), (16, 20739080), (20, 16591264), (32, 10369540), (40, 8295632), (64, 5184770), (79, 4200320), (80, 4147816), (128, 2592385), (158, 2100160), (160, 2073908), (316, 1050080), (320, 1036954), (395, 840064), (632, 525040), (640, 518477), (790, 420032), (1264, 262520), (1580, 210016), (2528, 131260), (3160, 105008), (5056, 65630), (6320, 52504), (6563, 50560), (10112, 32815), (12640, 26252), (13126, 25280)]