81103860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{4211}}^1$

素因数の和:4333

約数の個数: 72

約数和(自身を含む): 248373216

約数和(自身を除く): 167269356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1070, 1284, 1605, 1926, 2140, 3210, 3852, 4211, 4815, 6420, 8422, 9630, 12633, 16844, 19260, 21055, 25266, 37899, 42110, 50532, 63165, 75798, 84220, 126330, 151596, 189495, 252660, 378990, 450577, 757980, 901154, 1351731, 1802308, 2252885, 2703462, 4055193, 4505770, 5406924, 6758655, 8110386, 9011540, 13517310, 16220772, 20275965, 27034620, 40551930, 81103860]

約数ペア:

[(1, 81103860), (2, 40551930), (3, 27034620), (4, 20275965), (5, 16220772), (6, 13517310), (9, 9011540), (10, 8110386), (12, 6758655), (15, 5406924), (18, 4505770), (20, 4055193), (30, 2703462), (36, 2252885), (45, 1802308), (60, 1351731), (90, 901154), (107, 757980), (180, 450577), (214, 378990), (321, 252660), (428, 189495), (535, 151596), (642, 126330), (963, 84220), (1070, 75798), (1284, 63165), (1605, 50532), (1926, 42110), (2140, 37899), (3210, 25266), (3852, 21055), (4211, 19260), (4815, 16844), (6420, 12633), (8422, 9630)]