78919360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:402

約数の個数: 112

約数和(自身を含む): 206361792

約数和(自身を除く): 127442432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 130, 160, 208, 244, 260, 305, 311, 320, 416, 488, 520, 610, 622, 793, 832, 976, 1040, 1220, 1244, 1555, 1586, 1952, 2080, 2440, 2488, 3110, 3172, 3904, 3965, 4043, 4160, 4880, 4976, 6220, 6344, 7930, 8086, 9760, 9952, 12440, 12688, 15860, 16172, 18971, 19520, 19904, 20215, 24880, 25376, 31720, 32344, 37942, 40430, 49760, 50752, 63440, 64688, 75884, 80860, 94855, 99520, 126880, 129376, 151768, 161720, 189710, 246623, 253760, 258752, 303536, 323440, 379420, 493246, 607072, 646880, 758840, 986492, 1214144, 1233115, 1293760, 1517680, 1972984, 2466230, 3035360, 3945968, 4932460, 6070720, 7891936, 9864920, 15783872, 19729840, 39459680, 78919360]

約数ペア:

[(1, 78919360), (2, 39459680), (4, 19729840), (5, 15783872), (8, 9864920), (10, 7891936), (13, 6070720), (16, 4932460), (20, 3945968), (26, 3035360), (32, 2466230), (40, 1972984), (52, 1517680), (61, 1293760), (64, 1233115), (65, 1214144), (80, 986492), (104, 758840), (122, 646880), (130, 607072), (160, 493246), (208, 379420), (244, 323440), (260, 303536), (305, 258752), (311, 253760), (320, 246623), (416, 189710), (488, 161720), (520, 151768), (610, 129376), (622, 126880), (793, 99520), (832, 94855), (976, 80860), (1040, 75884), (1220, 64688), (1244, 63440), (1555, 50752), (1586, 49760), (1952, 40430), (2080, 37942), (2440, 32344), (2488, 31720), (3110, 25376), (3172, 24880), (3904, 20215), (3965, 19904), (4043, 19520), (4160, 18971), (4880, 16172), (4976, 15860), (6220, 12688), (6344, 12440), (7930, 9952), (8086, 9760)]