42721380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{18257}}^1$

素因数の和:18285

約数の個数: 72

約数和(自身を含む): 139564152

約数和(自身を除く): 96842772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 18257, 36514, 54771, 73028, 91285, 109542, 164313, 182570, 219084, 237341, 273855, 328626, 365140, 474682, 547710, 657252, 712023, 821565, 949364, 1095420, 1186705, 1424046, 1643130, 2136069, 2373410, 2848092, 3286260, 3560115, 4272138, 4746820, 7120230, 8544276, 10680345, 14240460, 21360690, 42721380]

約数ペア:

[(1, 42721380), (2, 21360690), (3, 14240460), (4, 10680345), (5, 8544276), (6, 7120230), (9, 4746820), (10, 4272138), (12, 3560115), (13, 3286260), (15, 2848092), (18, 2373410), (20, 2136069), (26, 1643130), (30, 1424046), (36, 1186705), (39, 1095420), (45, 949364), (52, 821565), (60, 712023), (65, 657252), (78, 547710), (90, 474682), (117, 365140), (130, 328626), (156, 273855), (180, 237341), (195, 219084), (234, 182570), (260, 164313), (390, 109542), (468, 91285), (585, 73028), (780, 54771), (1170, 36514), (2340, 18257)]