78638640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{327661}}^1$

素因数の和:327677

約数の個数: 40

約数和(自身を含む): 243780528

約数和(自身を除く): 165141888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 327661, 655322, 982983, 1310644, 1638305, 1965966, 2621288, 3276610, 3931932, 4914915, 5242576, 6553220, 7863864, 9829830, 13106440, 15727728, 19659660, 26212880, 39319320, 78638640]

約数ペア:

[(1, 78638640), (2, 39319320), (3, 26212880), (4, 19659660), (5, 15727728), (6, 13106440), (8, 9829830), (10, 7863864), (12, 6553220), (15, 5242576), (16, 4914915), (20, 3931932), (24, 3276610), (30, 2621288), (40, 1965966), (48, 1638305), (60, 1310644), (80, 982983), (120, 655322), (240, 327661)]