81542970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4951}}^1$

素因数の和:5028

約数の個数: 64

約数和(自身を含む): 221057280

約数和(自身を除く): 139514310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1647, 1830, 2745, 3294, 4951, 5490, 8235, 9902, 14853, 16470, 24755, 29706, 44559, 49510, 74265, 89118, 133677, 148530, 222795, 267354, 302011, 445590, 604022, 668385, 906033, 1336770, 1510055, 1812066, 2718099, 3020110, 4530165, 5436198, 8154297, 9060330, 13590495, 16308594, 27180990, 40771485, 81542970]

約数ペア:

[(1, 81542970), (2, 40771485), (3, 27180990), (5, 16308594), (6, 13590495), (9, 9060330), (10, 8154297), (15, 5436198), (18, 4530165), (27, 3020110), (30, 2718099), (45, 1812066), (54, 1510055), (61, 1336770), (90, 906033), (122, 668385), (135, 604022), (183, 445590), (270, 302011), (305, 267354), (366, 222795), (549, 148530), (610, 133677), (915, 89118), (1098, 74265), (1647, 49510), (1830, 44559), (2745, 29706), (3294, 24755), (4951, 16470), (5490, 14853), (8235, 9902)]