12731180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1181}}^1$

素因数の和:1215

約数の個数: 72

約数和(自身を含む): 33956496

約数和(自身を除く): 21225316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1181, 1540, 2156, 2362, 2695, 4724, 5390, 5905, 8267, 10780, 11810, 12991, 16534, 23620, 25982, 33068, 41335, 51964, 57869, 64955, 82670, 90937, 115738, 129910, 165340, 181874, 231476, 259820, 289345, 363748, 454685, 578690, 636559, 909370, 1157380, 1273118, 1818740, 2546236, 3182795, 6365590, 12731180]

約数ペア:

[(1, 12731180), (2, 6365590), (4, 3182795), (5, 2546236), (7, 1818740), (10, 1273118), (11, 1157380), (14, 909370), (20, 636559), (22, 578690), (28, 454685), (35, 363748), (44, 289345), (49, 259820), (55, 231476), (70, 181874), (77, 165340), (98, 129910), (110, 115738), (140, 90937), (154, 82670), (196, 64955), (220, 57869), (245, 51964), (308, 41335), (385, 33068), (490, 25982), (539, 23620), (770, 16534), (980, 12991), (1078, 11810), (1181, 10780), (1540, 8267), (2156, 5905), (2362, 5390), (2695, 4724)]