1789968160

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^2$

素因数の和:279

約数の個数: 144

約数和(自身を含む): 4527993960

約数和(自身を除く): 2738025800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 41, 58, 80, 82, 97, 116, 145, 160, 164, 194, 205, 232, 290, 328, 388, 410, 464, 485, 580, 656, 776, 820, 928, 970, 1160, 1189, 1312, 1552, 1640, 1940, 2320, 2378, 2813, 3104, 3280, 3880, 3977, 4640, 4756, 5626, 5945, 6560, 7760, 7954, 9409, 9512, 11252, 11890, 14065, 15520, 15908, 18818, 19024, 19885, 22504, 23780, 28130, 31816, 37636, 38048, 39770, 45008, 47045, 47560, 56260, 63632, 75272, 79540, 90016, 94090, 95120, 112520, 115333, 127264, 150544, 159080, 188180, 190240, 225040, 230666, 272861, 301088, 318160, 376360, 385769, 450080, 461332, 545722, 576665, 636320, 752720, 771538, 922664, 1091444, 1153330, 1364305, 1505440, 1543076, 1845328, 1928845, 2182888, 2306660, 2728610, 3086152, 3690656, 3857690, 4365776, 4613320, 5457220, 6172304, 7715380, 8731552, 9226640, 10914440, 11187301, 12344608, 15430760, 18453280, 21828880, 22374602, 30861520, 43657760, 44749204, 55936505, 61723040, 89498408, 111873010, 178996816, 223746020, 357993632, 447492040, 894984080, 1789968160]

約数ペア:

[(1, 1789968160), (2, 894984080), (4, 447492040), (5, 357993632), (8, 223746020), (10, 178996816), (16, 111873010), (20, 89498408), (29, 61723040), (32, 55936505), (40, 44749204), (41, 43657760), (58, 30861520), (80, 22374602), (82, 21828880), (97, 18453280), (116, 15430760), (145, 12344608), (160, 11187301), (164, 10914440), (194, 9226640), (205, 8731552), (232, 7715380), (290, 6172304), (328, 5457220), (388, 4613320), (410, 4365776), (464, 3857690), (485, 3690656), (580, 3086152), (656, 2728610), (776, 2306660), (820, 2182888), (928, 1928845), (970, 1845328), (1160, 1543076), (1189, 1505440), (1312, 1364305), (1552, 1153330), (1640, 1091444), (1940, 922664), (2320, 771538), (2378, 752720), (2813, 636320), (3104, 576665), (3280, 545722), (3880, 461332), (3977, 450080), (4640, 385769), (4756, 376360), (5626, 318160), (5945, 301088), (6560, 272861), (7760, 230666), (7954, 225040), (9409, 190240), (9512, 188180), (11252, 159080), (11890, 150544), (14065, 127264), (15520, 115333), (15908, 112520), (18818, 95120), (19024, 94090), (19885, 90016), (22504, 79540), (23780, 75272), (28130, 63632), (31816, 56260), (37636, 47560), (38048, 47045), (39770, 45008)]