51277680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{311}}^1$

素因数の和:559

約数の個数: 120

約数和(自身を含む): 173515680

約数和(自身を除く): 122238000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 229, 240, 311, 360, 458, 622, 687, 720, 916, 933, 1145, 1244, 1374, 1555, 1832, 1866, 2061, 2290, 2488, 2748, 2799, 3110, 3435, 3664, 3732, 4122, 4580, 4665, 4976, 5496, 5598, 6220, 6870, 7464, 8244, 9160, 9330, 10305, 10992, 11196, 12440, 13740, 13995, 14928, 16488, 18320, 18660, 20610, 22392, 24880, 27480, 27990, 32976, 37320, 41220, 44784, 54960, 55980, 71219, 74640, 82440, 111960, 142438, 164880, 213657, 223920, 284876, 356095, 427314, 569752, 640971, 712190, 854628, 1068285, 1139504, 1281942, 1424380, 1709256, 2136570, 2563884, 2848760, 3204855, 3418512, 4273140, 5127768, 5697520, 6409710, 8546280, 10255536, 12819420, 17092560, 25638840, 51277680]

約数ペア:

[(1, 51277680), (2, 25638840), (3, 17092560), (4, 12819420), (5, 10255536), (6, 8546280), (8, 6409710), (9, 5697520), (10, 5127768), (12, 4273140), (15, 3418512), (16, 3204855), (18, 2848760), (20, 2563884), (24, 2136570), (30, 1709256), (36, 1424380), (40, 1281942), (45, 1139504), (48, 1068285), (60, 854628), (72, 712190), (80, 640971), (90, 569752), (120, 427314), (144, 356095), (180, 284876), (229, 223920), (240, 213657), (311, 164880), (360, 142438), (458, 111960), (622, 82440), (687, 74640), (720, 71219), (916, 55980), (933, 54960), (1145, 44784), (1244, 41220), (1374, 37320), (1555, 32976), (1832, 27990), (1866, 27480), (2061, 24880), (2290, 22392), (2488, 20610), (2748, 18660), (2799, 18320), (3110, 16488), (3435, 14928), (3664, 13995), (3732, 13740), (4122, 12440), (4580, 11196), (4665, 10992), (4976, 10305), (5496, 9330), (5598, 9160), (6220, 8244), (6870, 7464)]