1287680640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{39451}}^1$

素因数の和:39490

約数の個数: 128

約数和(自身を含む): 4346032320

約数和(自身を除く): 3058351680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 816, 960, 1020, 1088, 1360, 1632, 1920, 2040, 2176, 2720, 3264, 4080, 5440, 6528, 8160, 10880, 16320, 32640, 39451, 78902, 118353, 157804, 197255, 236706, 315608, 394510, 473412, 591765, 631216, 670667, 789020, 946824, 1183530, 1262432, 1341334, 1578040, 1893648, 2012001, 2367060, 2524864, 2682668, 3156080, 3353335, 3787296, 4024002, 4734120, 5049728, 5365336, 6312160, 6706670, 7574592, 8048004, 9468240, 10060005, 10730672, 12624320, 13413340, 15149184, 16096008, 18936480, 20120010, 21461344, 25248640, 26826680, 32192016, 37872960, 40240020, 42922688, 53653360, 64384032, 75745920, 80480040, 85845376, 107306720, 128768064, 160960080, 214613440, 257536128, 321920160, 429226880, 643840320, 1287680640]

約数ペア:

[(1, 1287680640), (2, 643840320), (3, 429226880), (4, 321920160), (5, 257536128), (6, 214613440), (8, 160960080), (10, 128768064), (12, 107306720), (15, 85845376), (16, 80480040), (17, 75745920), (20, 64384032), (24, 53653360), (30, 42922688), (32, 40240020), (34, 37872960), (40, 32192016), (48, 26826680), (51, 25248640), (60, 21461344), (64, 20120010), (68, 18936480), (80, 16096008), (85, 15149184), (96, 13413340), (102, 12624320), (120, 10730672), (128, 10060005), (136, 9468240), (160, 8048004), (170, 7574592), (192, 6706670), (204, 6312160), (240, 5365336), (255, 5049728), (272, 4734120), (320, 4024002), (340, 3787296), (384, 3353335), (408, 3156080), (480, 2682668), (510, 2524864), (544, 2367060), (640, 2012001), (680, 1893648), (816, 1578040), (960, 1341334), (1020, 1262432), (1088, 1183530), (1360, 946824), (1632, 789020), (1920, 670667), (2040, 631216), (2176, 591765), (2720, 473412), (3264, 394510), (4080, 315608), (5440, 236706), (6528, 197255), (8160, 157804), (10880, 118353), (16320, 78902), (32640, 39451)]