161303800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 144

約数和(自身を含む): 447136560

約数和(自身を除く): 285832760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 29, 35, 40, 50, 56, 58, 70, 100, 116, 137, 140, 145, 175, 200, 203, 232, 274, 280, 290, 350, 406, 548, 580, 685, 700, 725, 812, 841, 959, 1015, 1096, 1160, 1370, 1400, 1450, 1624, 1682, 1918, 2030, 2740, 2900, 3364, 3425, 3836, 3973, 4060, 4205, 4795, 5075, 5480, 5800, 5887, 6728, 6850, 7672, 7946, 8120, 8410, 9590, 10150, 11774, 13700, 15892, 16820, 19180, 19865, 20300, 21025, 23548, 23975, 27400, 27811, 29435, 31784, 33640, 38360, 39730, 40600, 42050, 47096, 47950, 55622, 58870, 79460, 84100, 95900, 99325, 111244, 115217, 117740, 139055, 147175, 158920, 168200, 191800, 198650, 222488, 230434, 235480, 278110, 294350, 397300, 460868, 556220, 576085, 588700, 695275, 794600, 806519, 921736, 1112440, 1152170, 1177400, 1390550, 1613038, 2304340, 2781100, 2880425, 3226076, 4032595, 4608680, 5562200, 5760850, 6452152, 8065190, 11521700, 16130380, 20162975, 23043400, 32260760, 40325950, 80651900, 161303800]

約数ペア:

[(1, 161303800), (2, 80651900), (4, 40325950), (5, 32260760), (7, 23043400), (8, 20162975), (10, 16130380), (14, 11521700), (20, 8065190), (25, 6452152), (28, 5760850), (29, 5562200), (35, 4608680), (40, 4032595), (50, 3226076), (56, 2880425), (58, 2781100), (70, 2304340), (100, 1613038), (116, 1390550), (137, 1177400), (140, 1152170), (145, 1112440), (175, 921736), (200, 806519), (203, 794600), (232, 695275), (274, 588700), (280, 576085), (290, 556220), (350, 460868), (406, 397300), (548, 294350), (580, 278110), (685, 235480), (700, 230434), (725, 222488), (812, 198650), (841, 191800), (959, 168200), (1015, 158920), (1096, 147175), (1160, 139055), (1370, 117740), (1400, 115217), (1450, 111244), (1624, 99325), (1682, 95900), (1918, 84100), (2030, 79460), (2740, 58870), (2900, 55622), (3364, 47950), (3425, 47096), (3836, 42050), (3973, 40600), (4060, 39730), (4205, 38360), (4795, 33640), (5075, 31784), (5480, 29435), (5800, 27811), (5887, 27400), (6728, 23975), (6850, 23548), (7672, 21025), (7946, 20300), (8120, 19865), (8410, 19180), (9590, 16820), (10150, 15892), (11774, 13700)]