78746880

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20507}}^1$

素因数の和:20531

約数の個数: 72

約数和(自身を含む): 251510112

約数和(自身を除く): 172763232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 20507, 41014, 61521, 82028, 102535, 123042, 164056, 205070, 246084, 307605, 328112, 410140, 492168, 615210, 656224, 820280, 984336, 1230420, 1312448, 1640560, 1968672, 2460840, 2624896, 3281120, 3937344, 4921680, 5249792, 6562240, 7874688, 9843360, 13124480, 15749376, 19686720, 26248960, 39373440, 78746880]

約数ペア:

[(1, 78746880), (2, 39373440), (3, 26248960), (4, 19686720), (5, 15749376), (6, 13124480), (8, 9843360), (10, 7874688), (12, 6562240), (15, 5249792), (16, 4921680), (20, 3937344), (24, 3281120), (30, 2624896), (32, 2460840), (40, 1968672), (48, 1640560), (60, 1312448), (64, 1230420), (80, 984336), (96, 820280), (120, 656224), (128, 615210), (160, 492168), (192, 410140), (240, 328112), (256, 307605), (320, 246084), (384, 205070), (480, 164056), (640, 123042), (768, 102535), (960, 82028), (1280, 61521), (1920, 41014), (3840, 20507)]