161718900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1453}}^1$

素因数の和:1530

約数の個数: 144

約数和(自身を含む): 545215104

約数和(自身を除く): 383496204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 53, 60, 70, 75, 84, 100, 105, 106, 140, 150, 159, 175, 210, 212, 265, 300, 318, 350, 371, 420, 525, 530, 636, 700, 742, 795, 1050, 1060, 1113, 1325, 1453, 1484, 1590, 1855, 2100, 2226, 2650, 2906, 3180, 3710, 3975, 4359, 4452, 5300, 5565, 5812, 7265, 7420, 7950, 8718, 9275, 10171, 11130, 14530, 15900, 17436, 18550, 20342, 21795, 22260, 27825, 29060, 30513, 36325, 37100, 40684, 43590, 50855, 55650, 61026, 72650, 77009, 87180, 101710, 108975, 111300, 122052, 145300, 152565, 154018, 203420, 217950, 231027, 254275, 305130, 308036, 385045, 435900, 462054, 508550, 539063, 610260, 762825, 770090, 924108, 1017100, 1078126, 1155135, 1525650, 1540180, 1617189, 1925225, 2156252, 2310270, 2695315, 3051300, 3234378, 3850450, 4620540, 5390630, 5775675, 6468756, 7700900, 8085945, 10781260, 11551350, 13476575, 16171890, 23102700, 26953150, 32343780, 40429725, 53906300, 80859450, 161718900]

約数ペア:

[(1, 161718900), (2, 80859450), (3, 53906300), (4, 40429725), (5, 32343780), (6, 26953150), (7, 23102700), (10, 16171890), (12, 13476575), (14, 11551350), (15, 10781260), (20, 8085945), (21, 7700900), (25, 6468756), (28, 5775675), (30, 5390630), (35, 4620540), (42, 3850450), (50, 3234378), (53, 3051300), (60, 2695315), (70, 2310270), (75, 2156252), (84, 1925225), (100, 1617189), (105, 1540180), (106, 1525650), (140, 1155135), (150, 1078126), (159, 1017100), (175, 924108), (210, 770090), (212, 762825), (265, 610260), (300, 539063), (318, 508550), (350, 462054), (371, 435900), (420, 385045), (525, 308036), (530, 305130), (636, 254275), (700, 231027), (742, 217950), (795, 203420), (1050, 154018), (1060, 152565), (1113, 145300), (1325, 122052), (1453, 111300), (1484, 108975), (1590, 101710), (1855, 87180), (2100, 77009), (2226, 72650), (2650, 61026), (2906, 55650), (3180, 50855), (3710, 43590), (3975, 40684), (4359, 37100), (4452, 36325), (5300, 30513), (5565, 29060), (5812, 27825), (7265, 22260), (7420, 21795), (7950, 20342), (8718, 18550), (9275, 17436), (10171, 15900), (11130, 14530)]