1240664080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 3206044800

約数和(自身を除く): 1965380720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 83, 85, 116, 136, 145, 166, 170, 232, 272, 290, 332, 340, 379, 415, 464, 493, 580, 664, 680, 758, 830, 986, 1160, 1328, 1360, 1411, 1516, 1660, 1895, 1972, 2320, 2407, 2465, 2822, 3032, 3320, 3790, 3944, 4814, 4930, 5644, 6064, 6443, 6640, 7055, 7580, 7888, 9628, 9860, 10991, 11288, 12035, 12886, 14110, 15160, 19256, 19720, 21982, 22576, 24070, 25772, 28220, 30320, 31457, 32215, 38512, 39440, 40919, 43964, 48140, 51544, 54955, 56440, 62914, 64430, 81838, 87928, 96280, 103088, 109910, 112880, 125828, 128860, 157285, 163676, 175856, 186847, 192560, 204595, 219820, 251656, 257720, 314570, 327352, 373694, 409190, 439640, 503312, 515440, 534769, 629140, 654704, 747388, 818380, 879280, 912253, 934235, 1069538, 1258280, 1494776, 1636760, 1824506, 1868470, 2139076, 2516560, 2673845, 2989552, 3273520, 3649012, 3736940, 4278152, 4561265, 5347690, 7298024, 7473880, 8556304, 9122530, 10695380, 14596048, 14947760, 15508301, 18245060, 21390760, 31016602, 36490120, 42781520, 62033204, 72980240, 77541505, 124066408, 155083010, 248132816, 310166020, 620332040, 1240664080]

約数ペア:

[(1, 1240664080), (2, 620332040), (4, 310166020), (5, 248132816), (8, 155083010), (10, 124066408), (16, 77541505), (17, 72980240), (20, 62033204), (29, 42781520), (34, 36490120), (40, 31016602), (58, 21390760), (68, 18245060), (80, 15508301), (83, 14947760), (85, 14596048), (116, 10695380), (136, 9122530), (145, 8556304), (166, 7473880), (170, 7298024), (232, 5347690), (272, 4561265), (290, 4278152), (332, 3736940), (340, 3649012), (379, 3273520), (415, 2989552), (464, 2673845), (493, 2516560), (580, 2139076), (664, 1868470), (680, 1824506), (758, 1636760), (830, 1494776), (986, 1258280), (1160, 1069538), (1328, 934235), (1360, 912253), (1411, 879280), (1516, 818380), (1660, 747388), (1895, 654704), (1972, 629140), (2320, 534769), (2407, 515440), (2465, 503312), (2822, 439640), (3032, 409190), (3320, 373694), (3790, 327352), (3944, 314570), (4814, 257720), (4930, 251656), (5644, 219820), (6064, 204595), (6443, 192560), (6640, 186847), (7055, 175856), (7580, 163676), (7888, 157285), (9628, 128860), (9860, 125828), (10991, 112880), (11288, 109910), (12035, 103088), (12886, 96280), (14110, 87928), (15160, 81838), (19256, 64430), (19720, 62914), (21982, 56440), (22576, 54955), (24070, 51544), (25772, 48140), (28220, 43964), (30320, 40919), (31457, 39440), (32215, 38512)]