19520820480

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{726221}}^1$

素因数の和:726252

約数の個数: 144

約数和(自身を含む): 71251092864

約数和(自身を除く): 51730272384

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, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 726221, 1452442, 2178663, 2904884, 3631105, 4357326, 5083547, 5809768, 7262210, 8714652, 10167094, 10893315, 11619536, 14524420, 15250641, 17429304, 20334188, 21786630, 23239072, 25417735, 29048840, 30501282, 34858608, 40668376, 43573260, 46478144, 50835470, 58097680, 61002564, 69717216, 76253205, 81336752, 87146520, 92956288, 101670940, 116195360, 122005128, 139434432, 152506410, 162673504, 174293040, 185912576, 203341880, 232390720, 244010256, 278868864, 305012820, 325347008, 348586080, 406683760, 464781440, 488020512, 557737728, 610025640, 650694016, 697172160, 813367520, 929562880, 976041024, 1220051280, 1301388032, 1394344320, 1626735040, 1952082048, 2440102560, 2788688640, 3253470080, 3904164096, 4880205120, 6506940160, 9760410240, 19520820480]

約数ペア:

[(1, 19520820480), (2, 9760410240), (3, 6506940160), (4, 4880205120), (5, 3904164096), (6, 3253470080), (7, 2788688640), (8, 2440102560), (10, 1952082048), (12, 1626735040), (14, 1394344320), (15, 1301388032), (16, 1220051280), (20, 976041024), (21, 929562880), (24, 813367520), (28, 697172160), (30, 650694016), (32, 610025640), (35, 557737728), (40, 488020512), (42, 464781440), (48, 406683760), (56, 348586080), (60, 325347008), (64, 305012820), (70, 278868864), (80, 244010256), (84, 232390720), (96, 203341880), (105, 185912576), (112, 174293040), (120, 162673504), (128, 152506410), (140, 139434432), (160, 122005128), (168, 116195360), (192, 101670940), (210, 92956288), (224, 87146520), (240, 81336752), (256, 76253205), (280, 69717216), (320, 61002564), (336, 58097680), (384, 50835470), (420, 46478144), (448, 43573260), (480, 40668376), (560, 34858608), (640, 30501282), (672, 29048840), (768, 25417735), (840, 23239072), (896, 21786630), (960, 20334188), (1120, 17429304), (1280, 15250641), (1344, 14524420), (1680, 11619536), (1792, 10893315), (1920, 10167094), (2240, 8714652), (2688, 7262210), (3360, 5809768), (3840, 5083547), (4480, 4357326), (5376, 3631105), (6720, 2904884), (8960, 2178663), (13440, 1452442), (26880, 726221)]