255790320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997}}^1\times {\mathrm{1069}}^1$

素因数の和:2082

約数の個数: 80

約数和(自身を含む): 794487840

約数和(自身を除く): 538697520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997, 1069, 1994, 2138, 2991, 3207, 3988, 4276, 4985, 5345, 5982, 6414, 7976, 8552, 9970, 10690, 11964, 12828, 14955, 15952, 16035, 17104, 19940, 21380, 23928, 25656, 29910, 32070, 39880, 42760, 47856, 51312, 59820, 64140, 79760, 85520, 119640, 128280, 239280, 256560, 1065793, 2131586, 3197379, 4263172, 5328965, 6394758, 8526344, 10657930, 12789516, 15986895, 17052688, 21315860, 25579032, 31973790, 42631720, 51158064, 63947580, 85263440, 127895160, 255790320]

約数ペア:

[(1, 255790320), (2, 127895160), (3, 85263440), (4, 63947580), (5, 51158064), (6, 42631720), (8, 31973790), (10, 25579032), (12, 21315860), (15, 17052688), (16, 15986895), (20, 12789516), (24, 10657930), (30, 8526344), (40, 6394758), (48, 5328965), (60, 4263172), (80, 3197379), (120, 2131586), (240, 1065793), (997, 256560), (1069, 239280), (1994, 128280), (2138, 119640), (2991, 85520), (3207, 79760), (3988, 64140), (4276, 59820), (4985, 51312), (5345, 47856), (5982, 42760), (6414, 39880), (7976, 32070), (8552, 29910), (9970, 25656), (10690, 23928), (11964, 21380), (12828, 19940), (14955, 17104), (15952, 16035)]