320095548

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2053}}^1$

素因数の和:2195

約数の個数: 72

約数和(自身を含む): 834384096

約数和(自身を除く): 514288548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 426, 549, 639, 732, 852, 1098, 1278, 2053, 2196, 2556, 4106, 4331, 6159, 8212, 8662, 12318, 12993, 17324, 18477, 24636, 25986, 36954, 38979, 51972, 73908, 77958, 125233, 145763, 155916, 250466, 291526, 375699, 437289, 500932, 583052, 751398, 874578, 1127097, 1311867, 1502796, 1749156, 2254194, 2623734, 4508388, 5247468, 8891543, 17783086, 26674629, 35566172, 53349258, 80023887, 106698516, 160047774, 320095548]

約数ペア:

[(1, 320095548), (2, 160047774), (3, 106698516), (4, 80023887), (6, 53349258), (9, 35566172), (12, 26674629), (18, 17783086), (36, 8891543), (61, 5247468), (71, 4508388), (122, 2623734), (142, 2254194), (183, 1749156), (213, 1502796), (244, 1311867), (284, 1127097), (366, 874578), (426, 751398), (549, 583052), (639, 500932), (732, 437289), (852, 375699), (1098, 291526), (1278, 250466), (2053, 155916), (2196, 145763), (2556, 125233), (4106, 77958), (4331, 73908), (6159, 51972), (8212, 38979), (8662, 36954), (12318, 25986), (12993, 24636), (17324, 18477)]