391648440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{397}}^1\times {\mathrm{8221}}^1$

素因数の和:8632

約数の個数: 64

約数和(自身を含む): 1178048160

約数和(自身を除く): 786399720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 397, 794, 1191, 1588, 1985, 2382, 3176, 3970, 4764, 5955, 7940, 8221, 9528, 11910, 15880, 16442, 23820, 24663, 32884, 41105, 47640, 49326, 65768, 82210, 98652, 123315, 164420, 197304, 246630, 328840, 493260, 986520, 3263737, 6527474, 9791211, 13054948, 16318685, 19582422, 26109896, 32637370, 39164844, 48956055, 65274740, 78329688, 97912110, 130549480, 195824220, 391648440]

約数ペア:

[(1, 391648440), (2, 195824220), (3, 130549480), (4, 97912110), (5, 78329688), (6, 65274740), (8, 48956055), (10, 39164844), (12, 32637370), (15, 26109896), (20, 19582422), (24, 16318685), (30, 13054948), (40, 9791211), (60, 6527474), (120, 3263737), (397, 986520), (794, 493260), (1191, 328840), (1588, 246630), (1985, 197304), (2382, 164420), (3176, 123315), (3970, 98652), (4764, 82210), (5955, 65768), (7940, 49326), (8221, 47640), (9528, 41105), (11910, 32884), (15880, 24663), (16442, 23820)]