30017720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{311}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 71884800

約数和(自身を除く): 41867080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 311, 380, 508, 622, 635, 760, 1016, 1244, 1270, 1555, 2413, 2488, 2540, 3110, 4826, 5080, 5909, 6220, 9652, 11818, 12065, 12440, 19304, 23636, 24130, 29545, 39497, 47272, 48260, 59090, 78994, 96520, 118180, 157988, 197485, 236360, 315976, 394970, 750443, 789940, 1500886, 1579880, 3001772, 3752215, 6003544, 7504430, 15008860, 30017720]

約数ペア:

[(1, 30017720), (2, 15008860), (4, 7504430), (5, 6003544), (8, 3752215), (10, 3001772), (19, 1579880), (20, 1500886), (38, 789940), (40, 750443), (76, 394970), (95, 315976), (127, 236360), (152, 197485), (190, 157988), (254, 118180), (311, 96520), (380, 78994), (508, 59090), (622, 48260), (635, 47272), (760, 39497), (1016, 29545), (1244, 24130), (1270, 23636), (1555, 19304), (2413, 12440), (2488, 12065), (2540, 11818), (3110, 9652), (4826, 6220), (5080, 5909)]