15661250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:117

約数の個数: 80

約数和(自身を含む): 34413984

約数和(自身を除く): 18752734

約数列:

[1, 2, 5, 10, 11, 17, 22, 25, 34, 50, 55, 67, 85, 110, 125, 134, 170, 187, 250, 275, 335, 374, 425, 550, 625, 670, 737, 850, 935, 1139, 1250, 1375, 1474, 1675, 1870, 2125, 2278, 2750, 3350, 3685, 4250, 4675, 5695, 6875, 7370, 8375, 9350, 10625, 11390, 12529, 13750, 16750, 18425, 21250, 23375, 25058, 28475, 36850, 41875, 46750, 56950, 62645, 83750, 92125, 116875, 125290, 142375, 184250, 233750, 284750, 313225, 460625, 626450, 711875, 921250, 1423750, 1566125, 3132250, 7830625, 15661250]

約数ペア:

[(1, 15661250), (2, 7830625), (5, 3132250), (10, 1566125), (11, 1423750), (17, 921250), (22, 711875), (25, 626450), (34, 460625), (50, 313225), (55, 284750), (67, 233750), (85, 184250), (110, 142375), (125, 125290), (134, 116875), (170, 92125), (187, 83750), (250, 62645), (275, 56950), (335, 46750), (374, 41875), (425, 36850), (550, 28475), (625, 25058), (670, 23375), (737, 21250), (850, 18425), (935, 16750), (1139, 13750), (1250, 12529), (1375, 11390), (1474, 10625), (1675, 9350), (1870, 8375), (2125, 7370), (2278, 6875), (2750, 5695), (3350, 4675), (3685, 4250)]