64253440

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1321}}^1$

素因数の和:1363

約数の個数: 80

約数和(自身を含む): 162288720

約数和(自身を除く): 98035280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 1216, 1280, 1321, 1520, 2432, 2560, 2642, 3040, 4864, 5284, 6080, 6605, 9728, 10568, 12160, 13210, 21136, 24320, 25099, 26420, 42272, 48640, 50198, 52840, 84544, 100396, 105680, 125495, 169088, 200792, 211360, 250990, 338176, 401584, 422720, 501980, 676352, 803168, 845440, 1003960, 1606336, 1690880, 2007920, 3212672, 3381760, 4015840, 6425344, 8031680, 12850688, 16063360, 32126720, 64253440]

約数ペア:

[(1, 64253440), (2, 32126720), (4, 16063360), (5, 12850688), (8, 8031680), (10, 6425344), (16, 4015840), (19, 3381760), (20, 3212672), (32, 2007920), (38, 1690880), (40, 1606336), (64, 1003960), (76, 845440), (80, 803168), (95, 676352), (128, 501980), (152, 422720), (160, 401584), (190, 338176), (256, 250990), (304, 211360), (320, 200792), (380, 169088), (512, 125495), (608, 105680), (640, 100396), (760, 84544), (1216, 52840), (1280, 50198), (1321, 48640), (1520, 42272), (2432, 26420), (2560, 25099), (2642, 24320), (3040, 21136), (4864, 13210), (5284, 12160), (6080, 10568), (6605, 9728)]