213897720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{29221}}^1$

素因数の和:29296

約数の個数: 64

約数和(自身を含む): 652235040

約数和(自身を除く): 438337320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 120, 122, 183, 244, 305, 366, 488, 610, 732, 915, 1220, 1464, 1830, 2440, 3660, 7320, 29221, 58442, 87663, 116884, 146105, 175326, 233768, 292210, 350652, 438315, 584420, 701304, 876630, 1168840, 1753260, 1782481, 3506520, 3564962, 5347443, 7129924, 8912405, 10694886, 14259848, 17824810, 21389772, 26737215, 35649620, 42779544, 53474430, 71299240, 106948860, 213897720]

約数ペア:

[(1, 213897720), (2, 106948860), (3, 71299240), (4, 53474430), (5, 42779544), (6, 35649620), (8, 26737215), (10, 21389772), (12, 17824810), (15, 14259848), (20, 10694886), (24, 8912405), (30, 7129924), (40, 5347443), (60, 3564962), (61, 3506520), (120, 1782481), (122, 1753260), (183, 1168840), (244, 876630), (305, 701304), (366, 584420), (488, 438315), (610, 350652), (732, 292210), (915, 233768), (1220, 175326), (1464, 146105), (1830, 116884), (2440, 87663), (3660, 58442), (7320, 29221)]