77628780

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{15973}}^1$

素因数の和:15997

約数の個数: 72

約数和(自身を含む): 244210512

約数和(自身を除く): 166581732

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 15973, 31946, 47919, 63892, 79865, 95838, 143757, 159730, 191676, 239595, 287514, 319460, 431271, 479190, 575028, 718785, 862542, 958380, 1293813, 1437570, 1725084, 2156355, 2587626, 2875140, 3881439, 4312710, 5175252, 6469065, 7762878, 8625420, 12938130, 15525756, 19407195, 25876260, 38814390, 77628780]

約数ペア:

[(1, 77628780), (2, 38814390), (3, 25876260), (4, 19407195), (5, 15525756), (6, 12938130), (9, 8625420), (10, 7762878), (12, 6469065), (15, 5175252), (18, 4312710), (20, 3881439), (27, 2875140), (30, 2587626), (36, 2156355), (45, 1725084), (54, 1437570), (60, 1293813), (81, 958380), (90, 862542), (108, 718785), (135, 575028), (162, 479190), (180, 431271), (243, 319460), (270, 287514), (324, 239595), (405, 191676), (486, 159730), (540, 143757), (810, 95838), (972, 79865), (1215, 63892), (1620, 47919), (2430, 31946), (4860, 15973)]