72229960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1181}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 178718400

約数和(自身を除く): 106488440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1181, 1390, 1529, 2362, 2780, 3058, 4724, 5560, 5905, 6116, 7645, 9448, 11810, 12232, 12991, 15290, 23620, 25982, 30580, 47240, 51964, 61160, 64955, 103928, 129910, 164159, 259820, 328318, 519640, 656636, 820795, 1313272, 1641590, 1805749, 3283180, 3611498, 6566360, 7222996, 9028745, 14445992, 18057490, 36114980, 72229960]

約数ペア:

[(1, 72229960), (2, 36114980), (4, 18057490), (5, 14445992), (8, 9028745), (10, 7222996), (11, 6566360), (20, 3611498), (22, 3283180), (40, 1805749), (44, 1641590), (55, 1313272), (88, 820795), (110, 656636), (139, 519640), (220, 328318), (278, 259820), (440, 164159), (556, 129910), (695, 103928), (1112, 64955), (1181, 61160), (1390, 51964), (1529, 47240), (2362, 30580), (2780, 25982), (3058, 23620), (4724, 15290), (5560, 12991), (5905, 12232), (6116, 11810), (7645, 9448)]