781680276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{2647}}^1$

素因数の和:3301

約数の個数: 72

約数和(自身を含む): 2132084864

約数和(自身を除く): 1350404588

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 631, 1262, 1893, 2524, 2647, 3786, 5294, 5679, 7572, 7941, 8203, 10588, 11358, 15882, 16406, 22716, 23823, 24609, 31764, 32812, 34411, 47646, 49218, 68822, 73827, 95292, 98436, 103233, 137644, 147654, 206466, 295308, 309699, 412932, 619398, 1238796, 1670257, 3340514, 5010771, 6681028, 10021542, 15032313, 20043084, 21713341, 30064626, 43426682, 60129252, 65140023, 86853364, 130280046, 195420069, 260560092, 390840138, 781680276]

約数ペア:

[(1, 781680276), (2, 390840138), (3, 260560092), (4, 195420069), (6, 130280046), (9, 86853364), (12, 65140023), (13, 60129252), (18, 43426682), (26, 30064626), (36, 21713341), (39, 20043084), (52, 15032313), (78, 10021542), (117, 6681028), (156, 5010771), (234, 3340514), (468, 1670257), (631, 1238796), (1262, 619398), (1893, 412932), (2524, 309699), (2647, 295308), (3786, 206466), (5294, 147654), (5679, 137644), (7572, 103233), (7941, 98436), (8203, 95292), (10588, 73827), (11358, 68822), (15882, 49218), (16406, 47646), (22716, 34411), (23823, 32812), (24609, 31764)]