102840780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{244859}}^1$

素因数の和:244878

約数の個数: 48

約数和(自身を含む): 329091840

約数和(自身を除く): 226251060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 244859, 489718, 734577, 979436, 1224295, 1469154, 1714013, 2448590, 2938308, 3428026, 3672885, 4897180, 5142039, 6856052, 7345770, 8570065, 10284078, 14691540, 17140130, 20568156, 25710195, 34280260, 51420390, 102840780]

約数ペア:

[(1, 102840780), (2, 51420390), (3, 34280260), (4, 25710195), (5, 20568156), (6, 17140130), (7, 14691540), (10, 10284078), (12, 8570065), (14, 7345770), (15, 6856052), (20, 5142039), (21, 4897180), (28, 3672885), (30, 3428026), (35, 2938308), (42, 2448590), (60, 1714013), (70, 1469154), (84, 1224295), (105, 979436), (140, 734577), (210, 489718), (420, 244859)]