1266409280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{208291}}^1$

素因数の和:208327

約数の個数: 56

約数和(自身を含む): 3174370080

約数和(自身を除く): 1907960800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 208291, 416582, 833164, 1041455, 1666328, 2082910, 3332656, 3957529, 4165820, 6665312, 7915058, 8331640, 13330624, 15830116, 16663280, 19787645, 31660232, 33326560, 39575290, 63320464, 66653120, 79150580, 126640928, 158301160, 253281856, 316602320, 633204640, 1266409280]

約数ペア:

[(1, 1266409280), (2, 633204640), (4, 316602320), (5, 253281856), (8, 158301160), (10, 126640928), (16, 79150580), (19, 66653120), (20, 63320464), (32, 39575290), (38, 33326560), (40, 31660232), (64, 19787645), (76, 16663280), (80, 15830116), (95, 13330624), (152, 8331640), (160, 7915058), (190, 6665312), (304, 4165820), (320, 3957529), (380, 3332656), (608, 2082910), (760, 1666328), (1216, 1041455), (1520, 833164), (3040, 416582), (6080, 208291)]