129908480

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 345795744

約数和(自身を除く): 215887264

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 64, 65, 74, 80, 104, 128, 130, 148, 160, 185, 208, 211, 256, 260, 296, 320, 370, 416, 422, 481, 520, 592, 640, 740, 832, 844, 962, 1040, 1055, 1184, 1280, 1480, 1664, 1688, 1924, 2080, 2110, 2368, 2405, 2743, 2960, 3328, 3376, 3848, 4160, 4220, 4736, 4810, 5486, 5920, 6752, 7696, 7807, 8320, 8440, 9472, 9620, 10972, 11840, 13504, 13715, 15392, 15614, 16640, 16880, 19240, 21944, 23680, 27008, 27430, 30784, 31228, 33760, 38480, 39035, 43888, 47360, 54016, 54860, 61568, 62456, 67520, 76960, 78070, 87776, 101491, 109720, 123136, 124912, 135040, 153920, 156140, 175552, 202982, 219440, 249824, 270080, 307840, 312280, 351104, 405964, 438880, 499648, 507455, 615680, 624560, 702208, 811928, 877760, 999296, 1014910, 1249120, 1623856, 1755520, 1998592, 2029820, 2498240, 3247712, 3511040, 4059640, 4996480, 6495424, 8119280, 9992960, 12990848, 16238560, 25981696, 32477120, 64954240, 129908480]

約数ペア:

[(1, 129908480), (2, 64954240), (4, 32477120), (5, 25981696), (8, 16238560), (10, 12990848), (13, 9992960), (16, 8119280), (20, 6495424), (26, 4996480), (32, 4059640), (37, 3511040), (40, 3247712), (52, 2498240), (64, 2029820), (65, 1998592), (74, 1755520), (80, 1623856), (104, 1249120), (128, 1014910), (130, 999296), (148, 877760), (160, 811928), (185, 702208), (208, 624560), (211, 615680), (256, 507455), (260, 499648), (296, 438880), (320, 405964), (370, 351104), (416, 312280), (422, 307840), (481, 270080), (520, 249824), (592, 219440), (640, 202982), (740, 175552), (832, 156140), (844, 153920), (962, 135040), (1040, 124912), (1055, 123136), (1184, 109720), (1280, 101491), (1480, 87776), (1664, 78070), (1688, 76960), (1924, 67520), (2080, 62456), (2110, 61568), (2368, 54860), (2405, 54016), (2743, 47360), (2960, 43888), (3328, 39035), (3376, 38480), (3848, 33760), (4160, 31228), (4220, 30784), (4736, 27430), (4810, 27008), (5486, 23680), (5920, 21944), (6752, 19240), (7696, 16880), (7807, 16640), (8320, 15614), (8440, 15392), (9472, 13715), (9620, 13504), (10972, 11840)]