40471680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 130870080

約数和(自身を除く): 90398400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 197, 214, 240, 320, 321, 384, 394, 428, 480, 535, 591, 640, 642, 788, 856, 960, 985, 1070, 1182, 1284, 1576, 1605, 1712, 1920, 1970, 2140, 2364, 2568, 2955, 3152, 3210, 3424, 3940, 4280, 4728, 5136, 5910, 6304, 6420, 6848, 7880, 8560, 9456, 10272, 11820, 12608, 12840, 13696, 15760, 17120, 18912, 20544, 21079, 23640, 25216, 25680, 31520, 34240, 37824, 41088, 42158, 47280, 51360, 63040, 63237, 68480, 75648, 84316, 94560, 102720, 105395, 126080, 126474, 168632, 189120, 205440, 210790, 252948, 316185, 337264, 378240, 421580, 505896, 632370, 674528, 843160, 1011792, 1264740, 1349056, 1686320, 2023584, 2529480, 2698112, 3372640, 4047168, 5058960, 6745280, 8094336, 10117920, 13490560, 20235840, 40471680]

約数ペア:

[(1, 40471680), (2, 20235840), (3, 13490560), (4, 10117920), (5, 8094336), (6, 6745280), (8, 5058960), (10, 4047168), (12, 3372640), (15, 2698112), (16, 2529480), (20, 2023584), (24, 1686320), (30, 1349056), (32, 1264740), (40, 1011792), (48, 843160), (60, 674528), (64, 632370), (80, 505896), (96, 421580), (107, 378240), (120, 337264), (128, 316185), (160, 252948), (192, 210790), (197, 205440), (214, 189120), (240, 168632), (320, 126474), (321, 126080), (384, 105395), (394, 102720), (428, 94560), (480, 84316), (535, 75648), (591, 68480), (640, 63237), (642, 63040), (788, 51360), (856, 47280), (960, 42158), (985, 41088), (1070, 37824), (1182, 34240), (1284, 31520), (1576, 25680), (1605, 25216), (1712, 23640), (1920, 21079), (1970, 20544), (2140, 18912), (2364, 17120), (2568, 15760), (2955, 13696), (3152, 12840), (3210, 12608), (3424, 11820), (3940, 10272), (4280, 9456), (4728, 8560), (5136, 7880), (5910, 6848), (6304, 6420)]