81173016

素因数分解:

$2^3\times 3^4\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:403

約数の個数: 120

約数和(自身を含む): 240647220

約数和(自身を除く): 159474204

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 81, 108, 114, 152, 162, 171, 216, 228, 324, 342, 347, 361, 456, 513, 648, 684, 694, 722, 1026, 1041, 1083, 1368, 1388, 1444, 1539, 2052, 2082, 2166, 2776, 2888, 3078, 3123, 3249, 4104, 4164, 4332, 6156, 6246, 6498, 6593, 8328, 8664, 9369, 9747, 12312, 12492, 12996, 13186, 18738, 19494, 19779, 24984, 25992, 26372, 28107, 29241, 37476, 38988, 39558, 52744, 56214, 58482, 59337, 74952, 77976, 79116, 112428, 116964, 118674, 125267, 158232, 178011, 224856, 233928, 237348, 250534, 356022, 375801, 474696, 501068, 534033, 712044, 751602, 1002136, 1068066, 1127403, 1424088, 1503204, 2136132, 2254806, 3006408, 3382209, 4272264, 4509612, 6764418, 9019224, 10146627, 13528836, 20293254, 27057672, 40586508, 81173016]

約数ペア:

[(1, 81173016), (2, 40586508), (3, 27057672), (4, 20293254), (6, 13528836), (8, 10146627), (9, 9019224), (12, 6764418), (18, 4509612), (19, 4272264), (24, 3382209), (27, 3006408), (36, 2254806), (38, 2136132), (54, 1503204), (57, 1424088), (72, 1127403), (76, 1068066), (81, 1002136), (108, 751602), (114, 712044), (152, 534033), (162, 501068), (171, 474696), (216, 375801), (228, 356022), (324, 250534), (342, 237348), (347, 233928), (361, 224856), (456, 178011), (513, 158232), (648, 125267), (684, 118674), (694, 116964), (722, 112428), (1026, 79116), (1041, 77976), (1083, 74952), (1368, 59337), (1388, 58482), (1444, 56214), (1539, 52744), (2052, 39558), (2082, 38988), (2166, 37476), (2776, 29241), (2888, 28107), (3078, 26372), (3123, 25992), (3249, 24984), (4104, 19779), (4164, 19494), (4332, 18738), (6156, 13186), (6246, 12996), (6498, 12492), (6593, 12312), (8328, 9747), (8664, 9369)]