81896130

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:225

約数の個数: 128

約数和(自身を含む): 228614400

約数和(自身を除く): 146718270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 59, 90, 97, 106, 118, 135, 159, 177, 194, 265, 270, 291, 295, 318, 354, 477, 485, 530, 531, 582, 590, 795, 873, 885, 954, 970, 1062, 1431, 1455, 1590, 1593, 1746, 1770, 2385, 2619, 2655, 2862, 2910, 3127, 3186, 4365, 4770, 5141, 5238, 5310, 5723, 6254, 7155, 7965, 8730, 9381, 10282, 11446, 13095, 14310, 15423, 15635, 15930, 17169, 18762, 25705, 26190, 28143, 28615, 30846, 31270, 34338, 46269, 46905, 51410, 51507, 56286, 57230, 77115, 84429, 85845, 92538, 93810, 103014, 138807, 140715, 154230, 154521, 168858, 171690, 231345, 257535, 277614, 281430, 303319, 309042, 422145, 462690, 515070, 606638, 694035, 772605, 844290, 909957, 1388070, 1516595, 1545210, 1819914, 2729871, 3033190, 4549785, 5459742, 8189613, 9099570, 13649355, 16379226, 27298710, 40948065, 81896130]

約数ペア:

[(1, 81896130), (2, 40948065), (3, 27298710), (5, 16379226), (6, 13649355), (9, 9099570), (10, 8189613), (15, 5459742), (18, 4549785), (27, 3033190), (30, 2729871), (45, 1819914), (53, 1545210), (54, 1516595), (59, 1388070), (90, 909957), (97, 844290), (106, 772605), (118, 694035), (135, 606638), (159, 515070), (177, 462690), (194, 422145), (265, 309042), (270, 303319), (291, 281430), (295, 277614), (318, 257535), (354, 231345), (477, 171690), (485, 168858), (530, 154521), (531, 154230), (582, 140715), (590, 138807), (795, 103014), (873, 93810), (885, 92538), (954, 85845), (970, 84429), (1062, 77115), (1431, 57230), (1455, 56286), (1590, 51507), (1593, 51410), (1746, 46905), (1770, 46269), (2385, 34338), (2619, 31270), (2655, 30846), (2862, 28615), (2910, 28143), (3127, 26190), (3186, 25705), (4365, 18762), (4770, 17169), (5141, 15930), (5238, 15635), (5310, 15423), (5723, 14310), (6254, 13095), (7155, 11446), (7965, 10282), (8730, 9381)]