66442240

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:727

約数の個数: 88

約数和(自身を含む): 168017760

約数和(自身を除く): 101575520

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, 683, 760, 1024, 1216, 1280, 1366, 1520, 2432, 2560, 2732, 3040, 3415, 4864, 5120, 5464, 6080, 6830, 9728, 10928, 12160, 12977, 13660, 19456, 21856, 24320, 25954, 27320, 43712, 48640, 51908, 54640, 64885, 87424, 97280, 103816, 109280, 129770, 174848, 207632, 218560, 259540, 349696, 415264, 437120, 519080, 699392, 830528, 874240, 1038160, 1661056, 1748480, 2076320, 3322112, 3496960, 4152640, 6644224, 8305280, 13288448, 16610560, 33221120, 66442240]

約数ペア:

[(1, 66442240), (2, 33221120), (4, 16610560), (5, 13288448), (8, 8305280), (10, 6644224), (16, 4152640), (19, 3496960), (20, 3322112), (32, 2076320), (38, 1748480), (40, 1661056), (64, 1038160), (76, 874240), (80, 830528), (95, 699392), (128, 519080), (152, 437120), (160, 415264), (190, 349696), (256, 259540), (304, 218560), (320, 207632), (380, 174848), (512, 129770), (608, 109280), (640, 103816), (683, 97280), (760, 87424), (1024, 64885), (1216, 54640), (1280, 51908), (1366, 48640), (1520, 43712), (2432, 27320), (2560, 25954), (2732, 24320), (3040, 21856), (3415, 19456), (4864, 13660), (5120, 12977), (5464, 12160), (6080, 10928), (6830, 9728)]