1288654320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{67967}}^1$

素因数の和:68062

約数の個数: 80

約数和(自身を含む): 4045455360

約数和(自身を除く): 2756801040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 67967, 135934, 203901, 271868, 339835, 407802, 543736, 679670, 815604, 1019505, 1087472, 1359340, 1631208, 2039010, 2718680, 3262416, 4078020, 5369393, 5437360, 8156040, 10738786, 16108179, 16312080, 21477572, 26846965, 32216358, 42955144, 53693930, 64432716, 80540895, 85910288, 107387860, 128865432, 161081790, 214775720, 257730864, 322163580, 429551440, 644327160, 1288654320]

約数ペア:

[(1, 1288654320), (2, 644327160), (3, 429551440), (4, 322163580), (5, 257730864), (6, 214775720), (8, 161081790), (10, 128865432), (12, 107387860), (15, 85910288), (16, 80540895), (20, 64432716), (24, 53693930), (30, 42955144), (40, 32216358), (48, 26846965), (60, 21477572), (79, 16312080), (80, 16108179), (120, 10738786), (158, 8156040), (237, 5437360), (240, 5369393), (316, 4078020), (395, 3262416), (474, 2718680), (632, 2039010), (790, 1631208), (948, 1359340), (1185, 1087472), (1264, 1019505), (1580, 815604), (1896, 679670), (2370, 543736), (3160, 407802), (3792, 339835), (4740, 271868), (6320, 203901), (9480, 135934), (18960, 67967)]