258565140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 144

約数和(自身を含む): 809040960

約数和(自身を除く): 550475820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 97, 118, 177, 180, 194, 236, 251, 291, 295, 354, 388, 485, 502, 531, 582, 590, 708, 753, 873, 885, 970, 1004, 1062, 1164, 1180, 1255, 1455, 1506, 1746, 1770, 1940, 2124, 2259, 2510, 2655, 2910, 3012, 3492, 3540, 3765, 4365, 4518, 5020, 5310, 5723, 5820, 7530, 8730, 9036, 10620, 11295, 11446, 14809, 15060, 17169, 17460, 22590, 22892, 24347, 28615, 29618, 34338, 44427, 45180, 48694, 51507, 57230, 59236, 68676, 73041, 74045, 85845, 88854, 97388, 103014, 114460, 121735, 133281, 146082, 148090, 171690, 177708, 206028, 219123, 222135, 243470, 257535, 266562, 292164, 296180, 343380, 365205, 438246, 444270, 486940, 515070, 533124, 666405, 730410, 876492, 888540, 1030140, 1095615, 1332810, 1436473, 1460820, 2191230, 2665620, 2872946, 4309419, 4382460, 5745892, 7182365, 8618838, 12928257, 14364730, 17237676, 21547095, 25856514, 28729460, 43094190, 51713028, 64641285, 86188380, 129282570, 258565140]

約数ペア:

[(1, 258565140), (2, 129282570), (3, 86188380), (4, 64641285), (5, 51713028), (6, 43094190), (9, 28729460), (10, 25856514), (12, 21547095), (15, 17237676), (18, 14364730), (20, 12928257), (30, 8618838), (36, 7182365), (45, 5745892), (59, 4382460), (60, 4309419), (90, 2872946), (97, 2665620), (118, 2191230), (177, 1460820), (180, 1436473), (194, 1332810), (236, 1095615), (251, 1030140), (291, 888540), (295, 876492), (354, 730410), (388, 666405), (485, 533124), (502, 515070), (531, 486940), (582, 444270), (590, 438246), (708, 365205), (753, 343380), (873, 296180), (885, 292164), (970, 266562), (1004, 257535), (1062, 243470), (1164, 222135), (1180, 219123), (1255, 206028), (1455, 177708), (1506, 171690), (1746, 148090), (1770, 146082), (1940, 133281), (2124, 121735), (2259, 114460), (2510, 103014), (2655, 97388), (2910, 88854), (3012, 85845), (3492, 74045), (3540, 73041), (3765, 68676), (4365, 59236), (4518, 57230), (5020, 51507), (5310, 48694), (5723, 45180), (5820, 44427), (7530, 34338), (8730, 29618), (9036, 28615), (10620, 24347), (11295, 22892), (11446, 22590), (14809, 17460), (15060, 17169)]