61647660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1433}}^1$

素因数の和:1687

約数の個数: 72

約数和(自身を含む): 187911360

約数和(自身を除く): 126263700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1433, 1434, 2151, 2390, 2866, 2868, 3585, 4299, 4302, 4780, 5732, 7165, 7170, 8598, 8604, 10755, 12897, 14330, 14340, 17196, 21495, 21510, 25794, 28660, 42990, 43020, 51588, 64485, 85980, 128970, 257940, 342487, 684974, 1027461, 1369948, 1712435, 2054922, 3082383, 3424870, 4109844, 5137305, 6164766, 6849740, 10274610, 12329532, 15411915, 20549220, 30823830, 61647660]

約数ペア:

[(1, 61647660), (2, 30823830), (3, 20549220), (4, 15411915), (5, 12329532), (6, 10274610), (9, 6849740), (10, 6164766), (12, 5137305), (15, 4109844), (18, 3424870), (20, 3082383), (30, 2054922), (36, 1712435), (45, 1369948), (60, 1027461), (90, 684974), (180, 342487), (239, 257940), (478, 128970), (717, 85980), (956, 64485), (1195, 51588), (1433, 43020), (1434, 42990), (2151, 28660), (2390, 25794), (2866, 21510), (2868, 21495), (3585, 17196), (4299, 14340), (4302, 14330), (4780, 12897), (5732, 10755), (7165, 8604), (7170, 8598)]