28389420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2767}}^1$

素因数の和:2804

約数の個数: 96

約数和(自身を含む): 93004800

約数和(自身を除く): 64615380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 2767, 3420, 5130, 5534, 8301, 10260, 11068, 13835, 16602, 24903, 27670, 33204, 41505, 49806, 52573, 55340, 74709, 83010, 99612, 105146, 124515, 149418, 157719, 166020, 210292, 249030, 262865, 298836, 315438, 373545, 473157, 498060, 525730, 630876, 747090, 788595, 946314, 1051460, 1419471, 1494180, 1577190, 1892628, 2365785, 2838942, 3154380, 4731570, 5677884, 7097355, 9463140, 14194710, 28389420]

約数ペア:

[(1, 28389420), (2, 14194710), (3, 9463140), (4, 7097355), (5, 5677884), (6, 4731570), (9, 3154380), (10, 2838942), (12, 2365785), (15, 1892628), (18, 1577190), (19, 1494180), (20, 1419471), (27, 1051460), (30, 946314), (36, 788595), (38, 747090), (45, 630876), (54, 525730), (57, 498060), (60, 473157), (76, 373545), (90, 315438), (95, 298836), (108, 262865), (114, 249030), (135, 210292), (171, 166020), (180, 157719), (190, 149418), (228, 124515), (270, 105146), (285, 99612), (342, 83010), (380, 74709), (513, 55340), (540, 52573), (570, 49806), (684, 41505), (855, 33204), (1026, 27670), (1140, 24903), (1710, 16602), (2052, 13835), (2565, 11068), (2767, 10260), (3420, 8301), (5130, 5534)]