397917720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{1105327}}^1$

素因数の和:1105344

約数の個数: 48

約数和(自身を含む): 1293233760

約数和(自身を除く): 895316040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 1105327, 2210654, 3315981, 4421308, 5526635, 6631962, 8842616, 9947943, 11053270, 13263924, 16579905, 19895886, 22106540, 26527848, 33159810, 39791772, 44213080, 49739715, 66319620, 79583544, 99479430, 132639240, 198958860, 397917720]

約数ペア:

[(1, 397917720), (2, 198958860), (3, 132639240), (4, 99479430), (5, 79583544), (6, 66319620), (8, 49739715), (9, 44213080), (10, 39791772), (12, 33159810), (15, 26527848), (18, 22106540), (20, 19895886), (24, 16579905), (30, 13263924), (36, 11053270), (40, 9947943), (45, 8842616), (60, 6631962), (72, 5526635), (90, 4421308), (120, 3315981), (180, 2210654), (360, 1105327)]