159964420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 216

約数和(自身を含む): 458498880

約数和(自身を除く): 298534460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 49, 55, 70, 71, 76, 77, 95, 98, 110, 121, 133, 140, 142, 154, 190, 196, 209, 220, 242, 245, 266, 284, 308, 355, 380, 385, 418, 484, 490, 497, 532, 539, 605, 665, 710, 770, 781, 836, 847, 931, 980, 994, 1045, 1078, 1210, 1330, 1349, 1420, 1463, 1540, 1562, 1694, 1862, 1988, 2090, 2156, 2299, 2420, 2485, 2660, 2695, 2698, 2926, 3124, 3388, 3479, 3724, 3905, 4180, 4235, 4598, 4655, 4970, 5390, 5396, 5467, 5852, 5929, 6745, 6958, 7315, 7810, 8470, 8591, 9196, 9310, 9443, 9940, 10241, 10780, 10934, 11495, 11858, 13490, 13916, 14630, 14839, 15620, 16093, 16940, 17182, 17395, 18620, 18886, 20482, 21868, 22990, 23716, 26980, 27335, 29260, 29645, 29678, 32186, 34364, 34790, 37772, 38269, 40964, 42955, 45980, 47215, 51205, 54670, 59290, 59356, 60137, 64372, 66101, 69580, 74195, 76538, 80465, 85910, 94430, 102410, 103873, 109340, 112651, 118580, 120274, 132202, 148390, 153076, 160930, 163229, 171820, 188860, 191345, 204820, 207746, 225302, 240548, 264404, 296780, 300685, 321860, 326458, 330505, 382690, 415492, 420959, 450604, 519365, 563255, 601370, 652916, 661010, 727111, 765380, 816145, 841918, 1038730, 1126510, 1142603, 1202740, 1322020, 1454222, 1632290, 1683836, 2077460, 2104795, 2253020, 2285206, 2908444, 3264580, 3635555, 4209590, 4570412, 5713015, 7271110, 7998221, 8419180, 11426030, 14542220, 15996442, 22852060, 31992884, 39991105, 79982210, 159964420]

約数ペア:

[(1, 159964420), (2, 79982210), (4, 39991105), (5, 31992884), (7, 22852060), (10, 15996442), (11, 14542220), (14, 11426030), (19, 8419180), (20, 7998221), (22, 7271110), (28, 5713015), (35, 4570412), (38, 4209590), (44, 3635555), (49, 3264580), (55, 2908444), (70, 2285206), (71, 2253020), (76, 2104795), (77, 2077460), (95, 1683836), (98, 1632290), (110, 1454222), (121, 1322020), (133, 1202740), (140, 1142603), (142, 1126510), (154, 1038730), (190, 841918), (196, 816145), (209, 765380), (220, 727111), (242, 661010), (245, 652916), (266, 601370), (284, 563255), (308, 519365), (355, 450604), (380, 420959), (385, 415492), (418, 382690), (484, 330505), (490, 326458), (497, 321860), (532, 300685), (539, 296780), (605, 264404), (665, 240548), (710, 225302), (770, 207746), (781, 204820), (836, 191345), (847, 188860), (931, 171820), (980, 163229), (994, 160930), (1045, 153076), (1078, 148390), (1210, 132202), (1330, 120274), (1349, 118580), (1420, 112651), (1463, 109340), (1540, 103873), (1562, 102410), (1694, 94430), (1862, 85910), (1988, 80465), (2090, 76538), (2156, 74195), (2299, 69580), (2420, 66101), (2485, 64372), (2660, 60137), (2695, 59356), (2698, 59290), (2926, 54670), (3124, 51205), (3388, 47215), (3479, 45980), (3724, 42955), (3905, 40964), (4180, 38269), (4235, 37772), (4598, 34790), (4655, 34364), (4970, 32186), (5390, 29678), (5396, 29645), (5467, 29260), (5852, 27335), (5929, 26980), (6745, 23716), (6958, 22990), (7315, 21868), (7810, 20482), (8470, 18886), (8591, 18620), (9196, 17395), (9310, 17182), (9443, 16940), (9940, 16093), (10241, 15620), (10780, 14839), (10934, 14630), (11495, 13916), (11858, 13490)]