79740420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21787}}^1$

素因数の和:21860

約数の個数: 48

約数和(自身を含む): 226943808

約数和(自身を除く): 147203388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 21787, 43574, 65361, 87148, 108935, 130722, 217870, 261444, 326805, 435740, 653610, 1307220, 1329007, 2658014, 3987021, 5316028, 6645035, 7974042, 13290070, 15948084, 19935105, 26580140, 39870210, 79740420]

約数ペア:

[(1, 79740420), (2, 39870210), (3, 26580140), (4, 19935105), (5, 15948084), (6, 13290070), (10, 7974042), (12, 6645035), (15, 5316028), (20, 3987021), (30, 2658014), (60, 1329007), (61, 1307220), (122, 653610), (183, 435740), (244, 326805), (305, 261444), (366, 217870), (610, 130722), (732, 108935), (915, 87148), (1220, 65361), (1830, 43574), (3660, 21787)]