748890240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{55721}}^1$

素因数の和:55750

約数の個数: 128

約数和(自身を含む): 2728149120

約数和(自身を除く): 1979258880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 55721, 111442, 167163, 222884, 278605, 334326, 390047, 445768, 557210, 668652, 780094, 835815, 891536, 1114420, 1170141, 1337304, 1560188, 1671630, 1783072, 1950235, 2228840, 2340282, 2674608, 3120376, 3343260, 3566144, 3900470, 4457680, 4680564, 5349216, 5850705, 6240752, 6686520, 7132288, 7800940, 8915360, 9361128, 10698432, 11701410, 12481504, 13373040, 15601880, 17830720, 18722256, 21396864, 23402820, 24963008, 26746080, 31203760, 35661440, 37444512, 46805640, 49926016, 53492160, 62407520, 74889024, 93611280, 106984320, 124815040, 149778048, 187222560, 249630080, 374445120, 748890240]

約数ペア:

[(1, 748890240), (2, 374445120), (3, 249630080), (4, 187222560), (5, 149778048), (6, 124815040), (7, 106984320), (8, 93611280), (10, 74889024), (12, 62407520), (14, 53492160), (15, 49926016), (16, 46805640), (20, 37444512), (21, 35661440), (24, 31203760), (28, 26746080), (30, 24963008), (32, 23402820), (35, 21396864), (40, 18722256), (42, 17830720), (48, 15601880), (56, 13373040), (60, 12481504), (64, 11701410), (70, 10698432), (80, 9361128), (84, 8915360), (96, 7800940), (105, 7132288), (112, 6686520), (120, 6240752), (128, 5850705), (140, 5349216), (160, 4680564), (168, 4457680), (192, 3900470), (210, 3566144), (224, 3343260), (240, 3120376), (280, 2674608), (320, 2340282), (336, 2228840), (384, 1950235), (420, 1783072), (448, 1671630), (480, 1560188), (560, 1337304), (640, 1170141), (672, 1114420), (840, 891536), (896, 835815), (960, 780094), (1120, 668652), (1344, 557210), (1680, 445768), (1920, 390047), (2240, 334326), (2688, 278605), (3360, 222884), (4480, 167163), (6720, 111442), (13440, 55721)]