161869600

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 418473216

約数和(自身を除く): 256603616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 80, 100, 107, 122, 124, 155, 160, 200, 214, 244, 248, 305, 310, 400, 428, 488, 496, 535, 610, 620, 775, 800, 856, 976, 992, 1070, 1220, 1240, 1525, 1550, 1712, 1891, 1952, 2140, 2440, 2480, 2675, 3050, 3100, 3317, 3424, 3782, 4280, 4880, 4960, 5350, 6100, 6200, 6527, 6634, 7564, 8560, 9455, 9760, 10700, 12200, 12400, 13054, 13268, 15128, 16585, 17120, 18910, 21400, 24400, 24800, 26108, 26536, 30256, 32635, 33170, 37820, 42800, 47275, 48800, 52216, 53072, 60512, 65270, 66340, 75640, 82925, 85600, 94550, 104432, 106144, 130540, 132680, 151280, 163175, 165850, 189100, 202337, 208864, 261080, 265360, 302560, 326350, 331700, 378200, 404674, 522160, 530720, 652700, 663400, 756400, 809348, 1011685, 1044320, 1305400, 1326800, 1512800, 1618696, 2023370, 2610800, 2653600, 3237392, 4046740, 5058425, 5221600, 6474784, 8093480, 10116850, 16186960, 20233700, 32373920, 40467400, 80934800, 161869600]

約数ペア:

[(1, 161869600), (2, 80934800), (4, 40467400), (5, 32373920), (8, 20233700), (10, 16186960), (16, 10116850), (20, 8093480), (25, 6474784), (31, 5221600), (32, 5058425), (40, 4046740), (50, 3237392), (61, 2653600), (62, 2610800), (80, 2023370), (100, 1618696), (107, 1512800), (122, 1326800), (124, 1305400), (155, 1044320), (160, 1011685), (200, 809348), (214, 756400), (244, 663400), (248, 652700), (305, 530720), (310, 522160), (400, 404674), (428, 378200), (488, 331700), (496, 326350), (535, 302560), (610, 265360), (620, 261080), (775, 208864), (800, 202337), (856, 189100), (976, 165850), (992, 163175), (1070, 151280), (1220, 132680), (1240, 130540), (1525, 106144), (1550, 104432), (1712, 94550), (1891, 85600), (1952, 82925), (2140, 75640), (2440, 66340), (2480, 65270), (2675, 60512), (3050, 53072), (3100, 52216), (3317, 48800), (3424, 47275), (3782, 42800), (4280, 37820), (4880, 33170), (4960, 32635), (5350, 30256), (6100, 26536), (6200, 26108), (6527, 24800), (6634, 24400), (7564, 21400), (8560, 18910), (9455, 17120), (9760, 16585), (10700, 15128), (12200, 13268), (12400, 13054)]