80687908

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 176964480

約数和(自身を除く): 96276572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 47, 49, 76, 94, 98, 133, 188, 196, 266, 329, 461, 532, 658, 893, 922, 931, 1316, 1786, 1844, 1862, 2303, 3227, 3572, 3724, 4606, 6251, 6454, 8759, 9212, 12502, 12908, 17518, 21667, 22589, 25004, 35036, 43334, 43757, 45178, 61313, 86668, 87514, 90356, 122626, 151669, 175028, 245252, 303338, 411673, 429191, 606676, 823346, 858382, 1061683, 1646692, 1716764, 2123366, 2881711, 4246732, 5763422, 11526844, 20171977, 40343954, 80687908]

約数ペア:

[(1, 80687908), (2, 40343954), (4, 20171977), (7, 11526844), (14, 5763422), (19, 4246732), (28, 2881711), (38, 2123366), (47, 1716764), (49, 1646692), (76, 1061683), (94, 858382), (98, 823346), (133, 606676), (188, 429191), (196, 411673), (266, 303338), (329, 245252), (461, 175028), (532, 151669), (658, 122626), (893, 90356), (922, 87514), (931, 86668), (1316, 61313), (1786, 45178), (1844, 43757), (1862, 43334), (2303, 35036), (3227, 25004), (3572, 22589), (3724, 21667), (4606, 17518), (6251, 12908), (6454, 12502), (8759, 9212)]