231465720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:485

約数の個数: 128

約数和(自身を含む): 714954240

約数和(自身を除く): 483488520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 61, 103, 120, 122, 183, 206, 244, 305, 307, 309, 366, 412, 488, 515, 610, 614, 618, 732, 824, 915, 921, 1030, 1220, 1228, 1236, 1464, 1535, 1545, 1830, 1842, 2060, 2440, 2456, 2472, 3070, 3090, 3660, 3684, 4120, 4605, 6140, 6180, 6283, 7320, 7368, 9210, 12280, 12360, 12566, 18420, 18727, 18849, 25132, 31415, 31621, 36840, 37454, 37698, 50264, 56181, 62830, 63242, 74908, 75396, 93635, 94245, 94863, 112362, 125660, 126484, 149816, 150792, 158105, 187270, 188490, 189726, 224724, 251320, 252968, 280905, 316210, 374540, 376980, 379452, 449448, 474315, 561810, 632420, 749080, 753960, 758904, 948630, 1123620, 1264840, 1897260, 1928881, 2247240, 3794520, 3857762, 5786643, 7715524, 9644405, 11573286, 15431048, 19288810, 23146572, 28933215, 38577620, 46293144, 57866430, 77155240, 115732860, 231465720]

約数ペア:

[(1, 231465720), (2, 115732860), (3, 77155240), (4, 57866430), (5, 46293144), (6, 38577620), (8, 28933215), (10, 23146572), (12, 19288810), (15, 15431048), (20, 11573286), (24, 9644405), (30, 7715524), (40, 5786643), (60, 3857762), (61, 3794520), (103, 2247240), (120, 1928881), (122, 1897260), (183, 1264840), (206, 1123620), (244, 948630), (305, 758904), (307, 753960), (309, 749080), (366, 632420), (412, 561810), (488, 474315), (515, 449448), (610, 379452), (614, 376980), (618, 374540), (732, 316210), (824, 280905), (915, 252968), (921, 251320), (1030, 224724), (1220, 189726), (1228, 188490), (1236, 187270), (1464, 158105), (1535, 150792), (1545, 149816), (1830, 126484), (1842, 125660), (2060, 112362), (2440, 94863), (2456, 94245), (2472, 93635), (3070, 75396), (3090, 74908), (3660, 63242), (3684, 62830), (4120, 56181), (4605, 50264), (6140, 37698), (6180, 37454), (6283, 36840), (7320, 31621), (7368, 31415), (9210, 25132), (12280, 18849), (12360, 18727), (12566, 18420)]