63661780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 176964480

約数和(自身を除く): 113302700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 130, 133, 140, 182, 190, 196, 245, 247, 260, 263, 266, 364, 380, 455, 490, 494, 526, 532, 637, 665, 910, 931, 980, 988, 1052, 1235, 1274, 1315, 1330, 1729, 1820, 1841, 1862, 2470, 2548, 2630, 2660, 3185, 3419, 3458, 3682, 3724, 4655, 4940, 4997, 5260, 6370, 6838, 6916, 7364, 8645, 9205, 9310, 9994, 12103, 12740, 12887, 13676, 17095, 17290, 18410, 18620, 19988, 23933, 24206, 24985, 25774, 34190, 34580, 34979, 36820, 47866, 48412, 49970, 51548, 60515, 64435, 64961, 68380, 69958, 95732, 99940, 119665, 121030, 128870, 129922, 139916, 167531, 174895, 239330, 242060, 244853, 257740, 259844, 324805, 335062, 349790, 454727, 478660, 489706, 649610, 670124, 699580, 837655, 909454, 979412, 1224265, 1299220, 1675310, 1818908, 2273635, 2448530, 3183089, 3350620, 4547270, 4897060, 6366178, 9094540, 12732356, 15915445, 31830890, 63661780]

約数ペア:

[(1, 63661780), (2, 31830890), (4, 15915445), (5, 12732356), (7, 9094540), (10, 6366178), (13, 4897060), (14, 4547270), (19, 3350620), (20, 3183089), (26, 2448530), (28, 2273635), (35, 1818908), (38, 1675310), (49, 1299220), (52, 1224265), (65, 979412), (70, 909454), (76, 837655), (91, 699580), (95, 670124), (98, 649610), (130, 489706), (133, 478660), (140, 454727), (182, 349790), (190, 335062), (196, 324805), (245, 259844), (247, 257740), (260, 244853), (263, 242060), (266, 239330), (364, 174895), (380, 167531), (455, 139916), (490, 129922), (494, 128870), (526, 121030), (532, 119665), (637, 99940), (665, 95732), (910, 69958), (931, 68380), (980, 64961), (988, 64435), (1052, 60515), (1235, 51548), (1274, 49970), (1315, 48412), (1330, 47866), (1729, 36820), (1820, 34979), (1841, 34580), (1862, 34190), (2470, 25774), (2548, 24985), (2630, 24206), (2660, 23933), (3185, 19988), (3419, 18620), (3458, 18410), (3682, 17290), (3724, 17095), (4655, 13676), (4940, 12887), (4997, 12740), (5260, 12103), (6370, 9994), (6838, 9310), (6916, 9205), (7364, 8645)]