18990731520

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1511}}^1$

素因数の和:2629

約数の個数: 216

約数和(自身を含む): 65809703232

約数和(自身を除く): 46818971712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1091, 1152, 1280, 1440, 1511, 1920, 2182, 2304, 2880, 3022, 3273, 3840, 4364, 4533, 5455, 5760, 6044, 6546, 7555, 8728, 9066, 9819, 10910, 11520, 12088, 13092, 13599, 15110, 16365, 17456, 18132, 19638, 21820, 22665, 24176, 26184, 27198, 30220, 32730, 34912, 36264, 39276, 43640, 45330, 48352, 49095, 52368, 54396, 60440, 65460, 67995, 69824, 72528, 78552, 87280, 90660, 96704, 98190, 104736, 108792, 120880, 130920, 135990, 139648, 145056, 157104, 174560, 181320, 193408, 196380, 209472, 217584, 241760, 261840, 271980, 279296, 290112, 314208, 349120, 362640, 386816, 392760, 418944, 435168, 483520, 523680, 543960, 580224, 628416, 698240, 725280, 785520, 837888, 870336, 967040, 1047360, 1087920, 1160448, 1256832, 1396480, 1450560, 1571040, 1648501, 1740672, 1934080, 2094720, 2175840, 2513664, 2901120, 3142080, 3297002, 3481344, 4189440, 4351680, 4945503, 5802240, 6284160, 6594004, 8242505, 8703360, 9891006, 12568320, 13188008, 14836509, 16485010, 17406720, 19782012, 24727515, 26376016, 29673018, 32970020, 39564024, 49455030, 52752032, 59346036, 65940040, 74182545, 79128048, 98910060, 105504064, 118692072, 131880080, 148365090, 158256096, 197820120, 211008128, 237384144, 263760160, 296730180, 316512192, 395640240, 422016256, 474768288, 527520320, 593460360, 633024384, 791280480, 949536576, 1055040640, 1186920720, 1266048768, 1582560960, 1899073152, 2110081280, 2373841440, 3165121920, 3798146304, 4747682880, 6330243840, 9495365760, 18990731520]

約数ペア:

[(1, 18990731520), (2, 9495365760), (3, 6330243840), (4, 4747682880), (5, 3798146304), (6, 3165121920), (8, 2373841440), (9, 2110081280), (10, 1899073152), (12, 1582560960), (15, 1266048768), (16, 1186920720), (18, 1055040640), (20, 949536576), (24, 791280480), (30, 633024384), (32, 593460360), (36, 527520320), (40, 474768288), (45, 422016256), (48, 395640240), (60, 316512192), (64, 296730180), (72, 263760160), (80, 237384144), (90, 211008128), (96, 197820120), (120, 158256096), (128, 148365090), (144, 131880080), (160, 118692072), (180, 105504064), (192, 98910060), (240, 79128048), (256, 74182545), (288, 65940040), (320, 59346036), (360, 52752032), (384, 49455030), (480, 39564024), (576, 32970020), (640, 29673018), (720, 26376016), (768, 24727515), (960, 19782012), (1091, 17406720), (1152, 16485010), (1280, 14836509), (1440, 13188008), (1511, 12568320), (1920, 9891006), (2182, 8703360), (2304, 8242505), (2880, 6594004), (3022, 6284160), (3273, 5802240), (3840, 4945503), (4364, 4351680), (4533, 4189440), (5455, 3481344), (5760, 3297002), (6044, 3142080), (6546, 2901120), (7555, 2513664), (8728, 2175840), (9066, 2094720), (9819, 1934080), (10910, 1740672), (11520, 1648501), (12088, 1571040), (13092, 1450560), (13599, 1396480), (15110, 1256832), (16365, 1160448), (17456, 1087920), (18132, 1047360), (19638, 967040), (21820, 870336), (22665, 837888), (24176, 785520), (26184, 725280), (27198, 698240), (30220, 628416), (32730, 580224), (34912, 543960), (36264, 523680), (39276, 483520), (43640, 435168), (45330, 418944), (48352, 392760), (49095, 386816), (52368, 362640), (54396, 349120), (60440, 314208), (65460, 290112), (67995, 279296), (69824, 271980), (72528, 261840), (78552, 241760), (87280, 217584), (90660, 209472), (96704, 196380), (98190, 193408), (104736, 181320), (108792, 174560), (120880, 157104), (130920, 145056), (135990, 139648)]