78456320

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1613}}^1$

素因数の和:1655

約数の個数: 80

約数和(自身を含む): 198134640

約数和(自身を除く): 119678320

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, 1520, 1613, 2432, 2560, 3040, 3226, 4864, 6080, 6452, 8065, 9728, 12160, 12904, 16130, 24320, 25808, 30647, 32260, 48640, 51616, 61294, 64520, 103232, 122588, 129040, 153235, 206464, 245176, 258080, 306470, 412928, 490352, 516160, 612940, 825856, 980704, 1032320, 1225880, 1961408, 2064640, 2451760, 3922816, 4129280, 4903520, 7845632, 9807040, 15691264, 19614080, 39228160, 78456320]

約数ペア:

[(1, 78456320), (2, 39228160), (4, 19614080), (5, 15691264), (8, 9807040), (10, 7845632), (16, 4903520), (19, 4129280), (20, 3922816), (32, 2451760), (38, 2064640), (40, 1961408), (64, 1225880), (76, 1032320), (80, 980704), (95, 825856), (128, 612940), (152, 516160), (160, 490352), (190, 412928), (256, 306470), (304, 258080), (320, 245176), (380, 206464), (512, 153235), (608, 129040), (640, 122588), (760, 103232), (1216, 64520), (1280, 61294), (1520, 51616), (1613, 48640), (2432, 32260), (2560, 30647), (3040, 25808), (3226, 24320), (4864, 16130), (6080, 12904), (6452, 12160), (8065, 9728)]