1018590720

素因数分解:

$2^9\times 3^1\times 5^1\times 7^1\times {\mathrm{18947}}^1$

素因数の和:18980

約数の個数: 160

約数和(自身を含む): 3721690368

約数和(自身を除く): 2703099648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 2240, 2560, 2688, 3360, 3584, 3840, 4480, 5376, 6720, 7680, 8960, 10752, 13440, 17920, 18947, 26880, 37894, 53760, 56841, 75788, 94735, 113682, 132629, 151576, 189470, 227364, 265258, 284205, 303152, 378940, 397887, 454728, 530516, 568410, 606304, 663145, 757880, 795774, 909456, 1061032, 1136820, 1212608, 1326290, 1515760, 1591548, 1818912, 1989435, 2122064, 2273640, 2425216, 2652580, 3031520, 3183096, 3637824, 3978870, 4244128, 4547280, 4850432, 5305160, 6063040, 6366192, 7275648, 7957740, 8488256, 9094560, 9700864, 10610320, 12126080, 12732384, 14551296, 15915480, 16976512, 18189120, 21220640, 24252160, 25464768, 29102592, 31830960, 33953024, 36378240, 42441280, 48504320, 50929536, 63661920, 67906048, 72756480, 84882560, 101859072, 127323840, 145512960, 169765120, 203718144, 254647680, 339530240, 509295360, 1018590720]

約数ペア:

[(1, 1018590720), (2, 509295360), (3, 339530240), (4, 254647680), (5, 203718144), (6, 169765120), (7, 145512960), (8, 127323840), (10, 101859072), (12, 84882560), (14, 72756480), (15, 67906048), (16, 63661920), (20, 50929536), (21, 48504320), (24, 42441280), (28, 36378240), (30, 33953024), (32, 31830960), (35, 29102592), (40, 25464768), (42, 24252160), (48, 21220640), (56, 18189120), (60, 16976512), (64, 15915480), (70, 14551296), (80, 12732384), (84, 12126080), (96, 10610320), (105, 9700864), (112, 9094560), (120, 8488256), (128, 7957740), (140, 7275648), (160, 6366192), (168, 6063040), (192, 5305160), (210, 4850432), (224, 4547280), (240, 4244128), (256, 3978870), (280, 3637824), (320, 3183096), (336, 3031520), (384, 2652580), (420, 2425216), (448, 2273640), (480, 2122064), (512, 1989435), (560, 1818912), (640, 1591548), (672, 1515760), (768, 1326290), (840, 1212608), (896, 1136820), (960, 1061032), (1120, 909456), (1280, 795774), (1344, 757880), (1536, 663145), (1680, 606304), (1792, 568410), (1920, 530516), (2240, 454728), (2560, 397887), (2688, 378940), (3360, 303152), (3584, 284205), (3840, 265258), (4480, 227364), (5376, 189470), (6720, 151576), (7680, 132629), (8960, 113682), (10752, 94735), (13440, 75788), (17920, 56841), (18947, 53760), (26880, 37894)]