720161028

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{383}}^1\times {\mathrm{2749}}^1$

素因数の和:3161

約数の個数: 72

約数和(自身を含む): 1921920000

約数和(自身を除く): 1201758972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 383, 684, 766, 1149, 1532, 2298, 2749, 3447, 4596, 5498, 6894, 7277, 8247, 10996, 13788, 14554, 16494, 21831, 24741, 29108, 32988, 43662, 49482, 52231, 65493, 87324, 98964, 104462, 130986, 156693, 208924, 261972, 313386, 470079, 626772, 940158, 1052867, 1880316, 2105734, 3158601, 4211468, 6317202, 9475803, 12634404, 18951606, 20004473, 37903212, 40008946, 60013419, 80017892, 120026838, 180040257, 240053676, 360080514, 720161028]

約数ペア:

[(1, 720161028), (2, 360080514), (3, 240053676), (4, 180040257), (6, 120026838), (9, 80017892), (12, 60013419), (18, 40008946), (19, 37903212), (36, 20004473), (38, 18951606), (57, 12634404), (76, 9475803), (114, 6317202), (171, 4211468), (228, 3158601), (342, 2105734), (383, 1880316), (684, 1052867), (766, 940158), (1149, 626772), (1532, 470079), (2298, 313386), (2749, 261972), (3447, 208924), (4596, 156693), (5498, 130986), (6894, 104462), (7277, 98964), (8247, 87324), (10996, 65493), (13788, 52231), (14554, 49482), (16494, 43662), (21831, 32988), (24741, 29108)]