315528780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{751259}}^1$

素因数の和:751278

約数の個数: 48

約数和(自身を含む): 1009693440

約数和(自身を除く): 694164660

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, 751259, 1502518, 2253777, 3005036, 3756295, 4507554, 5258813, 7512590, 9015108, 10517626, 11268885, 15025180, 15776439, 21035252, 22537770, 26294065, 31552878, 45075540, 52588130, 63105756, 78882195, 105176260, 157764390, 315528780]

約数ペア:

[(1, 315528780), (2, 157764390), (3, 105176260), (4, 78882195), (5, 63105756), (6, 52588130), (7, 45075540), (10, 31552878), (12, 26294065), (14, 22537770), (15, 21035252), (20, 15776439), (21, 15025180), (28, 11268885), (30, 10517626), (35, 9015108), (42, 7512590), (60, 5258813), (70, 4507554), (84, 3756295), (105, 3005036), (140, 2253777), (210, 1502518), (420, 751259)]