15339940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1423}}^1$

素因数の和:1457

約数の個数: 72

約数和(自身を含む): 40908672

約数和(自身を除く): 25568732

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, 1423, 1540, 2156, 2695, 2846, 5390, 5692, 7115, 9961, 10780, 14230, 15653, 19922, 28460, 31306, 39844, 49805, 62612, 69727, 78265, 99610, 109571, 139454, 156530, 199220, 219142, 278908, 313060, 348635, 438284, 547855, 697270, 766997, 1095710, 1394540, 1533994, 2191420, 3067988, 3834985, 7669970, 15339940]

約数ペア:

[(1, 15339940), (2, 7669970), (4, 3834985), (5, 3067988), (7, 2191420), (10, 1533994), (11, 1394540), (14, 1095710), (20, 766997), (22, 697270), (28, 547855), (35, 438284), (44, 348635), (49, 313060), (55, 278908), (70, 219142), (77, 199220), (98, 156530), (110, 139454), (140, 109571), (154, 99610), (196, 78265), (220, 69727), (245, 62612), (308, 49805), (385, 39844), (490, 31306), (539, 28460), (770, 19922), (980, 15653), (1078, 14230), (1423, 10780), (1540, 9961), (2156, 7115), (2695, 5692), (2846, 5390)]