218503920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12823}}^1$

素因数の和:12910

約数の個数: 80

約数和(自身を含む): 686956032

約数和(自身を除く): 468452112

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1136, 1420, 1704, 2130, 2840, 3408, 4260, 5680, 8520, 12823, 17040, 25646, 38469, 51292, 64115, 76938, 102584, 128230, 153876, 192345, 205168, 256460, 307752, 384690, 512920, 615504, 769380, 910433, 1025840, 1538760, 1820866, 2731299, 3077520, 3641732, 4552165, 5462598, 7283464, 9104330, 10925196, 13656495, 14566928, 18208660, 21850392, 27312990, 36417320, 43700784, 54625980, 72834640, 109251960, 218503920]

約数ペア:

[(1, 218503920), (2, 109251960), (3, 72834640), (4, 54625980), (5, 43700784), (6, 36417320), (8, 27312990), (10, 21850392), (12, 18208660), (15, 14566928), (16, 13656495), (20, 10925196), (24, 9104330), (30, 7283464), (40, 5462598), (48, 4552165), (60, 3641732), (71, 3077520), (80, 2731299), (120, 1820866), (142, 1538760), (213, 1025840), (240, 910433), (284, 769380), (355, 615504), (426, 512920), (568, 384690), (710, 307752), (852, 256460), (1065, 205168), (1136, 192345), (1420, 153876), (1704, 128230), (2130, 102584), (2840, 76938), (3408, 64115), (4260, 51292), (5680, 38469), (8520, 25646), (12823, 17040)]