123723520

素因数分解:

$2^8\times 5^1\times {\mathrm{163}}^1\times {\mathrm{593}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 298677456

約数和(自身を除く): 174953936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 256, 320, 326, 593, 640, 652, 815, 1186, 1280, 1304, 1630, 2372, 2608, 2965, 3260, 4744, 5216, 5930, 6520, 9488, 10432, 11860, 13040, 18976, 20864, 23720, 26080, 37952, 41728, 47440, 52160, 75904, 94880, 96659, 104320, 151808, 189760, 193318, 208640, 379520, 386636, 483295, 759040, 773272, 966590, 1546544, 1933180, 3093088, 3866360, 6186176, 7732720, 12372352, 15465440, 24744704, 30930880, 61861760, 123723520]

約数ペア:

[(1, 123723520), (2, 61861760), (4, 30930880), (5, 24744704), (8, 15465440), (10, 12372352), (16, 7732720), (20, 6186176), (32, 3866360), (40, 3093088), (64, 1933180), (80, 1546544), (128, 966590), (160, 773272), (163, 759040), (256, 483295), (320, 386636), (326, 379520), (593, 208640), (640, 193318), (652, 189760), (815, 151808), (1186, 104320), (1280, 96659), (1304, 94880), (1630, 75904), (2372, 52160), (2608, 47440), (2965, 41728), (3260, 37952), (4744, 26080), (5216, 23720), (5930, 20864), (6520, 18976), (9488, 13040), (10432, 11860)]