64959440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8923}}^1$

素因数の和:8956

約数の個数: 80

約数和(自身を含む): 185904768

約数和(自身を除く): 120945328

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 8923, 17846, 35692, 44615, 62461, 71384, 89230, 115999, 124922, 142768, 178460, 231998, 249844, 312305, 356920, 463996, 499688, 579995, 624610, 713840, 811993, 927992, 999376, 1159990, 1249220, 1623986, 1855984, 2319980, 2498440, 3247972, 4059965, 4639960, 4996880, 6495944, 8119930, 9279920, 12991888, 16239860, 32479720, 64959440]

約数ペア:

[(1, 64959440), (2, 32479720), (4, 16239860), (5, 12991888), (7, 9279920), (8, 8119930), (10, 6495944), (13, 4996880), (14, 4639960), (16, 4059965), (20, 3247972), (26, 2498440), (28, 2319980), (35, 1855984), (40, 1623986), (52, 1249220), (56, 1159990), (65, 999376), (70, 927992), (80, 811993), (91, 713840), (104, 624610), (112, 579995), (130, 499688), (140, 463996), (182, 356920), (208, 312305), (260, 249844), (280, 231998), (364, 178460), (455, 142768), (520, 124922), (560, 115999), (728, 89230), (910, 71384), (1040, 62461), (1456, 44615), (1820, 35692), (3640, 17846), (7280, 8923)]