19841280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5167}}^1$

素因数の和:5191

約数の個数: 72

約数和(自身を含む): 63380352

約数和(自身を除く): 43539072

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, 5167, 10334, 15501, 20668, 25835, 31002, 41336, 51670, 62004, 77505, 82672, 103340, 124008, 155010, 165344, 206680, 248016, 310020, 330688, 413360, 496032, 620040, 661376, 826720, 992064, 1240080, 1322752, 1653440, 1984128, 2480160, 3306880, 3968256, 4960320, 6613760, 9920640, 19841280]

約数ペア:

[(1, 19841280), (2, 9920640), (3, 6613760), (4, 4960320), (5, 3968256), (6, 3306880), (8, 2480160), (10, 1984128), (12, 1653440), (15, 1322752), (16, 1240080), (20, 992064), (24, 826720), (30, 661376), (32, 620040), (40, 496032), (48, 413360), (60, 330688), (64, 310020), (80, 248016), (96, 206680), (120, 165344), (128, 155010), (160, 124008), (192, 103340), (240, 82672), (256, 77505), (320, 62004), (384, 51670), (480, 41336), (640, 31002), (768, 25835), (960, 20668), (1280, 15501), (1920, 10334), (3840, 5167)]