771337040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 1891307520

約数和(自身を除く): 1119970480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 127, 155, 158, 248, 254, 310, 316, 395, 496, 508, 620, 632, 635, 790, 961, 1016, 1240, 1264, 1270, 1580, 1922, 2032, 2449, 2480, 2540, 3160, 3844, 3937, 4805, 4898, 5080, 6320, 7688, 7874, 9610, 9796, 10033, 10160, 12245, 15376, 15748, 19220, 19592, 19685, 20066, 24490, 31496, 38440, 39184, 39370, 40132, 48980, 50165, 62992, 75919, 76880, 78740, 80264, 97960, 100330, 122047, 151838, 157480, 160528, 195920, 200660, 244094, 303676, 311023, 314960, 379595, 401320, 488188, 607352, 610235, 622046, 759190, 802640, 976376, 1214704, 1220470, 1244092, 1518380, 1555115, 1952752, 2440940, 2488184, 3036760, 3110230, 4881880, 4976368, 6073520, 6220460, 9641713, 9763760, 12440920, 19283426, 24881840, 38566852, 48208565, 77133704, 96417130, 154267408, 192834260, 385668520, 771337040]

約数ペア:

[(1, 771337040), (2, 385668520), (4, 192834260), (5, 154267408), (8, 96417130), (10, 77133704), (16, 48208565), (20, 38566852), (31, 24881840), (40, 19283426), (62, 12440920), (79, 9763760), (80, 9641713), (124, 6220460), (127, 6073520), (155, 4976368), (158, 4881880), (248, 3110230), (254, 3036760), (310, 2488184), (316, 2440940), (395, 1952752), (496, 1555115), (508, 1518380), (620, 1244092), (632, 1220470), (635, 1214704), (790, 976376), (961, 802640), (1016, 759190), (1240, 622046), (1264, 610235), (1270, 607352), (1580, 488188), (1922, 401320), (2032, 379595), (2449, 314960), (2480, 311023), (2540, 303676), (3160, 244094), (3844, 200660), (3937, 195920), (4805, 160528), (4898, 157480), (5080, 151838), (6320, 122047), (7688, 100330), (7874, 97960), (9610, 80264), (9796, 78740), (10033, 76880), (10160, 75919), (12245, 62992), (15376, 50165), (15748, 48980), (19220, 40132), (19592, 39370), (19685, 39184), (20066, 38440), (24490, 31496)]