64954240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 172559520

約数和(自身を除く): 107605280

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, 260, 296, 320, 370, 416, 422, 481, 520, 592, 640, 740, 832, 844, 962, 1040, 1055, 1184, 1480, 1664, 1688, 1924, 2080, 2110, 2368, 2405, 2743, 2960, 3376, 3848, 4160, 4220, 4736, 4810, 5486, 5920, 6752, 7696, 7807, 8320, 8440, 9620, 10972, 11840, 13504, 13715, 15392, 15614, 16880, 19240, 21944, 23680, 27008, 27430, 30784, 31228, 33760, 38480, 39035, 43888, 54860, 61568, 62456, 67520, 76960, 78070, 87776, 101491, 109720, 124912, 135040, 153920, 156140, 175552, 202982, 219440, 249824, 307840, 312280, 351104, 405964, 438880, 499648, 507455, 624560, 811928, 877760, 999296, 1014910, 1249120, 1623856, 1755520, 2029820, 2498240, 3247712, 4059640, 4996480, 6495424, 8119280, 12990848, 16238560, 32477120, 64954240]

約数ペア:

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