64030720

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 170859780

約数和(自身を除く): 106829060

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, 169, 185, 208, 256, 260, 296, 320, 338, 370, 416, 481, 512, 520, 592, 640, 676, 740, 832, 845, 962, 1024, 1040, 1184, 1280, 1352, 1480, 1664, 1690, 1924, 2048, 2080, 2368, 2405, 2560, 2704, 2960, 3328, 3380, 3848, 4160, 4736, 4810, 5120, 5408, 5920, 6253, 6656, 6760, 7696, 8320, 9472, 9620, 10240, 10816, 11840, 12506, 13312, 13520, 15392, 16640, 18944, 19240, 21632, 23680, 25012, 26624, 27040, 30784, 31265, 33280, 37888, 38480, 43264, 47360, 50024, 54080, 61568, 62530, 66560, 75776, 76960, 86528, 94720, 100048, 108160, 123136, 125060, 133120, 153920, 173056, 189440, 200096, 216320, 246272, 250120, 307840, 346112, 378880, 400192, 432640, 492544, 500240, 615680, 800384, 865280, 985088, 1000480, 1231360, 1600768, 1730560, 2000960, 2462720, 3201536, 4001920, 4925440, 6403072, 8003840, 12806144, 16007680, 32015360, 64030720]

約数ペア:

[(1, 64030720), (2, 32015360), (4, 16007680), (5, 12806144), (8, 8003840), (10, 6403072), (13, 4925440), (16, 4001920), (20, 3201536), (26, 2462720), (32, 2000960), (37, 1730560), (40, 1600768), (52, 1231360), (64, 1000480), (65, 985088), (74, 865280), (80, 800384), (104, 615680), (128, 500240), (130, 492544), (148, 432640), (160, 400192), (169, 378880), (185, 346112), (208, 307840), (256, 250120), (260, 246272), (296, 216320), (320, 200096), (338, 189440), (370, 173056), (416, 153920), (481, 133120), (512, 125060), (520, 123136), (592, 108160), (640, 100048), (676, 94720), (740, 86528), (832, 76960), (845, 75776), (962, 66560), (1024, 62530), (1040, 61568), (1184, 54080), (1280, 50024), (1352, 47360), (1480, 43264), (1664, 38480), (1690, 37888), (1924, 33280), (2048, 31265), (2080, 30784), (2368, 27040), (2405, 26624), (2560, 25012), (2704, 23680), (2960, 21632), (3328, 19240), (3380, 18944), (3848, 16640), (4160, 15392), (4736, 13520), (4810, 13312), (5120, 12506), (5408, 11840), (5920, 10816), (6253, 10240), (6656, 9620), (6760, 9472), (7696, 8320)]