971671920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{449}}^1$

素因数の和:663

約数の個数: 160

約数和(自身を含む): 3085516800

約数和(自身を除く): 2113844880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 127, 142, 213, 240, 254, 284, 355, 381, 426, 449, 508, 568, 635, 710, 762, 852, 898, 1016, 1065, 1136, 1270, 1347, 1420, 1524, 1704, 1796, 1905, 2032, 2130, 2245, 2540, 2694, 2840, 3048, 3408, 3592, 3810, 4260, 4490, 5080, 5388, 5680, 6096, 6735, 7184, 7620, 8520, 8980, 9017, 10160, 10776, 13470, 15240, 17040, 17960, 18034, 21552, 26940, 27051, 30480, 31879, 35920, 36068, 45085, 53880, 54102, 57023, 63758, 72136, 90170, 95637, 107760, 108204, 114046, 127516, 135255, 144272, 159395, 171069, 180340, 191274, 216408, 228092, 255032, 270510, 285115, 318790, 342138, 360680, 382548, 432816, 456184, 478185, 510064, 541020, 570230, 637580, 684276, 721360, 765096, 855345, 912368, 956370, 1082040, 1140460, 1275160, 1368552, 1530192, 1710690, 1912740, 2164080, 2280920, 2550320, 2737104, 3421380, 3825480, 4048633, 4561840, 6842760, 7650960, 8097266, 12145899, 13685520, 16194532, 20243165, 24291798, 32389064, 40486330, 48583596, 60729495, 64778128, 80972660, 97167192, 121458990, 161945320, 194334384, 242917980, 323890640, 485835960, 971671920]

約数ペア:

[(1, 971671920), (2, 485835960), (3, 323890640), (4, 242917980), (5, 194334384), (6, 161945320), (8, 121458990), (10, 97167192), (12, 80972660), (15, 64778128), (16, 60729495), (20, 48583596), (24, 40486330), (30, 32389064), (40, 24291798), (48, 20243165), (60, 16194532), (71, 13685520), (80, 12145899), (120, 8097266), (127, 7650960), (142, 6842760), (213, 4561840), (240, 4048633), (254, 3825480), (284, 3421380), (355, 2737104), (381, 2550320), (426, 2280920), (449, 2164080), (508, 1912740), (568, 1710690), (635, 1530192), (710, 1368552), (762, 1275160), (852, 1140460), (898, 1082040), (1016, 956370), (1065, 912368), (1136, 855345), (1270, 765096), (1347, 721360), (1420, 684276), (1524, 637580), (1704, 570230), (1796, 541020), (1905, 510064), (2032, 478185), (2130, 456184), (2245, 432816), (2540, 382548), (2694, 360680), (2840, 342138), (3048, 318790), (3408, 285115), (3592, 270510), (3810, 255032), (4260, 228092), (4490, 216408), (5080, 191274), (5388, 180340), (5680, 171069), (6096, 159395), (6735, 144272), (7184, 135255), (7620, 127516), (8520, 114046), (8980, 108204), (9017, 107760), (10160, 95637), (10776, 90170), (13470, 72136), (15240, 63758), (17040, 57023), (17960, 54102), (18034, 53880), (21552, 45085), (26940, 36068), (27051, 35920), (30480, 31879)]