28664820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{487}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 90182400

約数和(自身を除く): 61517580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 109, 135, 180, 218, 270, 327, 436, 487, 540, 545, 654, 974, 981, 1090, 1308, 1461, 1635, 1948, 1962, 2180, 2435, 2922, 2943, 3270, 3924, 4383, 4870, 4905, 5844, 5886, 6540, 7305, 8766, 9740, 9810, 11772, 13149, 14610, 14715, 17532, 19620, 21915, 26298, 29220, 29430, 43830, 52596, 53083, 58860, 65745, 87660, 106166, 131490, 159249, 212332, 262980, 265415, 318498, 477747, 530830, 636996, 796245, 955494, 1061660, 1433241, 1592490, 1910988, 2388735, 2866482, 3184980, 4777470, 5732964, 7166205, 9554940, 14332410, 28664820]

約数ペア:

[(1, 28664820), (2, 14332410), (3, 9554940), (4, 7166205), (5, 5732964), (6, 4777470), (9, 3184980), (10, 2866482), (12, 2388735), (15, 1910988), (18, 1592490), (20, 1433241), (27, 1061660), (30, 955494), (36, 796245), (45, 636996), (54, 530830), (60, 477747), (90, 318498), (108, 265415), (109, 262980), (135, 212332), (180, 159249), (218, 131490), (270, 106166), (327, 87660), (436, 65745), (487, 58860), (540, 53083), (545, 52596), (654, 43830), (974, 29430), (981, 29220), (1090, 26298), (1308, 21915), (1461, 19620), (1635, 17532), (1948, 14715), (1962, 14610), (2180, 13149), (2435, 11772), (2922, 9810), (2943, 9740), (3270, 8766), (3924, 7305), (4383, 6540), (4870, 5886), (4905, 5844)]