891298920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1019}}^1$

素因数の和:1267

約数の個数: 128

約数和(自身を含む): 2762812800

約数和(自身を除く): 1871513880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 197, 222, 296, 370, 394, 444, 555, 591, 740, 788, 888, 985, 1019, 1110, 1182, 1480, 1576, 1970, 2038, 2220, 2364, 2955, 3057, 3940, 4076, 4440, 4728, 5095, 5910, 6114, 7289, 7880, 8152, 10190, 11820, 12228, 14578, 15285, 20380, 21867, 23640, 24456, 29156, 30570, 36445, 37703, 40760, 43734, 58312, 61140, 72890, 75406, 87468, 109335, 113109, 122280, 145780, 150812, 174936, 188515, 200743, 218670, 226218, 291560, 301624, 377030, 401486, 437340, 452436, 565545, 602229, 754060, 802972, 874680, 904872, 1003715, 1131090, 1204458, 1508120, 1605944, 2007430, 2262180, 2408916, 3011145, 4014860, 4524360, 4817832, 6022290, 7427491, 8029720, 12044580, 14854982, 22282473, 24089160, 29709964, 37137455, 44564946, 59419928, 74274910, 89129892, 111412365, 148549820, 178259784, 222824730, 297099640, 445649460, 891298920]

約数ペア:

[(1, 891298920), (2, 445649460), (3, 297099640), (4, 222824730), (5, 178259784), (6, 148549820), (8, 111412365), (10, 89129892), (12, 74274910), (15, 59419928), (20, 44564946), (24, 37137455), (30, 29709964), (37, 24089160), (40, 22282473), (60, 14854982), (74, 12044580), (111, 8029720), (120, 7427491), (148, 6022290), (185, 4817832), (197, 4524360), (222, 4014860), (296, 3011145), (370, 2408916), (394, 2262180), (444, 2007430), (555, 1605944), (591, 1508120), (740, 1204458), (788, 1131090), (888, 1003715), (985, 904872), (1019, 874680), (1110, 802972), (1182, 754060), (1480, 602229), (1576, 565545), (1970, 452436), (2038, 437340), (2220, 401486), (2364, 377030), (2955, 301624), (3057, 291560), (3940, 226218), (4076, 218670), (4440, 200743), (4728, 188515), (5095, 174936), (5910, 150812), (6114, 145780), (7289, 122280), (7880, 113109), (8152, 109335), (10190, 87468), (11820, 75406), (12228, 72890), (14578, 61140), (15285, 58312), (20380, 43734), (21867, 40760), (23640, 37703), (24456, 36445), (29156, 30570)]