203918640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 671742720

約数和(自身を除く): 467824080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 197, 227, 228, 240, 285, 304, 380, 394, 454, 456, 570, 591, 681, 760, 788, 908, 912, 985, 1135, 1140, 1182, 1362, 1520, 1576, 1816, 1970, 2270, 2280, 2364, 2724, 2955, 3152, 3405, 3632, 3743, 3940, 4313, 4540, 4560, 4728, 5448, 5910, 6810, 7486, 7880, 8626, 9080, 9456, 10896, 11229, 11820, 12939, 13620, 14972, 15760, 17252, 18160, 18715, 21565, 22458, 23640, 25878, 27240, 29944, 34504, 37430, 43130, 44719, 44916, 47280, 51756, 54480, 56145, 59888, 64695, 69008, 74860, 86260, 89438, 89832, 103512, 112290, 129390, 134157, 149720, 172520, 178876, 179664, 207024, 223595, 224580, 258780, 268314, 299440, 345040, 357752, 447190, 449160, 517560, 536628, 670785, 715504, 849661, 894380, 898320, 1035120, 1073256, 1341570, 1699322, 1788760, 2146512, 2548983, 2683140, 3398644, 3577520, 4248305, 5097966, 5366280, 6797288, 8496610, 10195932, 10732560, 12744915, 13594576, 16993220, 20391864, 25489830, 33986440, 40783728, 50979660, 67972880, 101959320, 203918640]

約数ペア:

[(1, 203918640), (2, 101959320), (3, 67972880), (4, 50979660), (5, 40783728), (6, 33986440), (8, 25489830), (10, 20391864), (12, 16993220), (15, 13594576), (16, 12744915), (19, 10732560), (20, 10195932), (24, 8496610), (30, 6797288), (38, 5366280), (40, 5097966), (48, 4248305), (57, 3577520), (60, 3398644), (76, 2683140), (80, 2548983), (95, 2146512), (114, 1788760), (120, 1699322), (152, 1341570), (190, 1073256), (197, 1035120), (227, 898320), (228, 894380), (240, 849661), (285, 715504), (304, 670785), (380, 536628), (394, 517560), (454, 449160), (456, 447190), (570, 357752), (591, 345040), (681, 299440), (760, 268314), (788, 258780), (908, 224580), (912, 223595), (985, 207024), (1135, 179664), (1140, 178876), (1182, 172520), (1362, 149720), (1520, 134157), (1576, 129390), (1816, 112290), (1970, 103512), (2270, 89832), (2280, 89438), (2364, 86260), (2724, 74860), (2955, 69008), (3152, 64695), (3405, 59888), (3632, 56145), (3743, 54480), (3940, 51756), (4313, 47280), (4540, 44916), (4560, 44719), (4728, 43130), (5448, 37430), (5910, 34504), (6810, 29944), (7486, 27240), (7880, 25878), (8626, 23640), (9080, 22458), (9456, 21565), (10896, 18715), (11229, 18160), (11820, 17252), (12939, 15760), (13620, 14972)]