331430720

素因数分解:

$2^6\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1361}}^1$

素因数の和:2139

約数の個数: 56

約数和(自身を含む): 790837128

約数和(自身を除く): 459406408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 761, 1361, 1522, 2722, 3044, 3805, 5444, 6088, 6805, 7610, 10888, 12176, 13610, 15220, 21776, 24352, 27220, 30440, 43552, 48704, 54440, 60880, 87104, 108880, 121760, 217760, 243520, 435520, 1035721, 2071442, 4142884, 5178605, 8285768, 10357210, 16571536, 20714420, 33143072, 41428840, 66286144, 82857680, 165715360, 331430720]

約数ペア:

[(1, 331430720), (2, 165715360), (4, 82857680), (5, 66286144), (8, 41428840), (10, 33143072), (16, 20714420), (20, 16571536), (32, 10357210), (40, 8285768), (64, 5178605), (80, 4142884), (160, 2071442), (320, 1035721), (761, 435520), (1361, 243520), (1522, 217760), (2722, 121760), (3044, 108880), (3805, 87104), (5444, 60880), (6088, 54440), (6805, 48704), (7610, 43552), (10888, 30440), (12176, 27220), (13610, 24352), (15220, 21776)]