81539040

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15443}}^1$

素因数の和:15472

約数の個数: 96

約数和(自身を含む): 280215936

約数和(自身を除く): 198676896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 220, 240, 264, 330, 352, 440, 480, 528, 660, 880, 1056, 1320, 1760, 2640, 5280, 15443, 30886, 46329, 61772, 77215, 92658, 123544, 154430, 169873, 185316, 231645, 247088, 308860, 339746, 370632, 463290, 494176, 509619, 617720, 679492, 741264, 849365, 926580, 1019238, 1235440, 1358984, 1482528, 1698730, 1853160, 2038476, 2470880, 2548095, 2717968, 3397460, 3706320, 4076952, 5096190, 5435936, 6794920, 7412640, 8153904, 10192380, 13589840, 16307808, 20384760, 27179680, 40769520, 81539040]

約数ペア:

[(1, 81539040), (2, 40769520), (3, 27179680), (4, 20384760), (5, 16307808), (6, 13589840), (8, 10192380), (10, 8153904), (11, 7412640), (12, 6794920), (15, 5435936), (16, 5096190), (20, 4076952), (22, 3706320), (24, 3397460), (30, 2717968), (32, 2548095), (33, 2470880), (40, 2038476), (44, 1853160), (48, 1698730), (55, 1482528), (60, 1358984), (66, 1235440), (80, 1019238), (88, 926580), (96, 849365), (110, 741264), (120, 679492), (132, 617720), (160, 509619), (165, 494176), (176, 463290), (220, 370632), (240, 339746), (264, 308860), (330, 247088), (352, 231645), (440, 185316), (480, 169873), (528, 154430), (660, 123544), (880, 92658), (1056, 77215), (1320, 61772), (1760, 46329), (2640, 30886), (5280, 15443)]