215468820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{171007}}^1$

素因数の和:171029

約数の個数: 72

約数和(自身を含む): 746962944

約数和(自身を除く): 531494124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 171007, 342014, 513021, 684028, 855035, 1026042, 1197049, 1539063, 1710070, 2052084, 2394098, 2565105, 3078126, 3420140, 3591147, 4788196, 5130210, 5985245, 6156252, 7182294, 7695315, 10260420, 10773441, 11970490, 14364588, 15390630, 17955735, 21546882, 23940980, 30781260, 35911470, 43093764, 53867205, 71822940, 107734410, 215468820]

約数ペア:

[(1, 215468820), (2, 107734410), (3, 71822940), (4, 53867205), (5, 43093764), (6, 35911470), (7, 30781260), (9, 23940980), (10, 21546882), (12, 17955735), (14, 15390630), (15, 14364588), (18, 11970490), (20, 10773441), (21, 10260420), (28, 7695315), (30, 7182294), (35, 6156252), (36, 5985245), (42, 5130210), (45, 4788196), (60, 3591147), (63, 3420140), (70, 3078126), (84, 2565105), (90, 2394098), (105, 2052084), (126, 1710070), (140, 1539063), (180, 1197049), (210, 1026042), (252, 855035), (315, 684028), (420, 513021), (630, 342014), (1260, 171007)]