768221920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:884

約数の個数: 96

約数和(自身を含む): 1872351936

約数和(自身を除く): 1104130016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 181, 205, 328, 362, 410, 647, 656, 724, 820, 905, 1294, 1312, 1448, 1640, 1810, 2588, 2896, 3235, 3280, 3620, 5176, 5792, 6470, 6560, 7240, 7421, 10352, 12940, 14480, 14842, 20704, 25880, 26527, 28960, 29684, 37105, 51760, 53054, 59368, 74210, 103520, 106108, 117107, 118736, 132635, 148420, 212216, 234214, 237472, 265270, 296840, 424432, 468428, 530540, 585535, 593680, 848864, 936856, 1061080, 1171070, 1187360, 1873712, 2122160, 2342140, 3747424, 4244320, 4684280, 4801387, 9368560, 9602774, 18737120, 19205548, 24006935, 38411096, 48013870, 76822192, 96027740, 153644384, 192055480, 384110960, 768221920]

約数ペア:

[(1, 768221920), (2, 384110960), (4, 192055480), (5, 153644384), (8, 96027740), (10, 76822192), (16, 48013870), (20, 38411096), (32, 24006935), (40, 19205548), (41, 18737120), (80, 9602774), (82, 9368560), (160, 4801387), (164, 4684280), (181, 4244320), (205, 3747424), (328, 2342140), (362, 2122160), (410, 1873712), (647, 1187360), (656, 1171070), (724, 1061080), (820, 936856), (905, 848864), (1294, 593680), (1312, 585535), (1448, 530540), (1640, 468428), (1810, 424432), (2588, 296840), (2896, 265270), (3235, 237472), (3280, 234214), (3620, 212216), (5176, 148420), (5792, 132635), (6470, 118736), (6560, 117107), (7240, 106108), (7421, 103520), (10352, 74210), (12940, 59368), (14480, 53054), (14842, 51760), (20704, 37105), (25880, 29684), (26527, 28960)]