381971520

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{18947}}^1$

素因数の和:18977

約数の個数: 168

約数和(自身を含む): 1501591104

約数和(自身を除く): 1119619584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 18947, 20160, 37894, 56841, 75788, 94735, 113682, 132629, 151576, 170523, 189470, 227364, 265258, 284205, 303152, 341046, 378940, 397887, 454728, 530516, 568410, 606304, 663145, 682092, 757880, 795774, 852615, 909456, 1061032, 1136820, 1193661, 1212608, 1326290, 1364184, 1515760, 1591548, 1705230, 1818912, 1989435, 2122064, 2273640, 2387322, 2652580, 2728368, 3031520, 3183096, 3410460, 3637824, 3978870, 4244128, 4547280, 4774644, 5305160, 5456736, 5968305, 6063040, 6366192, 6820920, 7957740, 8488256, 9094560, 9549288, 10610320, 10913472, 11936610, 12732384, 13641840, 15915480, 18189120, 19098576, 21220640, 23873220, 25464768, 27283680, 31830960, 38197152, 42441280, 47746440, 54567360, 63661920, 76394304, 95492880, 127323840, 190985760, 381971520]

約数ペア:

[(1, 381971520), (2, 190985760), (3, 127323840), (4, 95492880), (5, 76394304), (6, 63661920), (7, 54567360), (8, 47746440), (9, 42441280), (10, 38197152), (12, 31830960), (14, 27283680), (15, 25464768), (16, 23873220), (18, 21220640), (20, 19098576), (21, 18189120), (24, 15915480), (28, 13641840), (30, 12732384), (32, 11936610), (35, 10913472), (36, 10610320), (40, 9549288), (42, 9094560), (45, 8488256), (48, 7957740), (56, 6820920), (60, 6366192), (63, 6063040), (64, 5968305), (70, 5456736), (72, 5305160), (80, 4774644), (84, 4547280), (90, 4244128), (96, 3978870), (105, 3637824), (112, 3410460), (120, 3183096), (126, 3031520), (140, 2728368), (144, 2652580), (160, 2387322), (168, 2273640), (180, 2122064), (192, 1989435), (210, 1818912), (224, 1705230), (240, 1591548), (252, 1515760), (280, 1364184), (288, 1326290), (315, 1212608), (320, 1193661), (336, 1136820), (360, 1061032), (420, 909456), (448, 852615), (480, 795774), (504, 757880), (560, 682092), (576, 663145), (630, 606304), (672, 568410), (720, 530516), (840, 454728), (960, 397887), (1008, 378940), (1120, 341046), (1260, 303152), (1344, 284205), (1440, 265258), (1680, 227364), (2016, 189470), (2240, 170523), (2520, 151576), (2880, 132629), (3360, 113682), (4032, 94735), (5040, 75788), (6720, 56841), (10080, 37894), (18947, 20160)]