2880420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 8207808

約数和(自身を除く): 5327388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 787, 915, 1220, 1574, 1830, 2361, 3148, 3660, 3935, 4722, 7870, 9444, 11805, 15740, 23610, 47220, 48007, 96014, 144021, 192028, 240035, 288042, 480070, 576084, 720105, 960140, 1440210, 2880420]

約数ペア:

[(1, 2880420), (2, 1440210), (3, 960140), (4, 720105), (5, 576084), (6, 480070), (10, 288042), (12, 240035), (15, 192028), (20, 144021), (30, 96014), (60, 48007), (61, 47220), (122, 23610), (183, 15740), (244, 11805), (305, 9444), (366, 7870), (610, 4722), (732, 3935), (787, 3660), (915, 3148), (1220, 2361), (1574, 1830)]