128543100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{61211}}^1$

素因数の和:61235

約数の個数: 72

約数和(自身を含む): 425056128

約数和(自身を除く): 296513028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 61211, 122422, 183633, 244844, 306055, 367266, 428477, 612110, 734532, 856954, 918165, 1224220, 1285431, 1530275, 1713908, 1836330, 2142385, 2570862, 3060550, 3672660, 4284770, 4590825, 5141724, 6121100, 6427155, 8569540, 9181650, 10711925, 12854310, 18363300, 21423850, 25708620, 32135775, 42847700, 64271550, 128543100]

約数ペア:

[(1, 128543100), (2, 64271550), (3, 42847700), (4, 32135775), (5, 25708620), (6, 21423850), (7, 18363300), (10, 12854310), (12, 10711925), (14, 9181650), (15, 8569540), (20, 6427155), (21, 6121100), (25, 5141724), (28, 4590825), (30, 4284770), (35, 3672660), (42, 3060550), (50, 2570862), (60, 2142385), (70, 1836330), (75, 1713908), (84, 1530275), (100, 1285431), (105, 1224220), (140, 918165), (150, 856954), (175, 734532), (210, 612110), (300, 428477), (350, 367266), (420, 306055), (525, 244844), (700, 183633), (1050, 122422), (2100, 61211)]