681442560

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{397}}^1$

素因数の和:573

約数の個数: 216

約数和(自身を含む): 2379522600

約数和(自身を除く): 1698080040

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, 149, 160, 180, 192, 240, 256, 288, 298, 320, 360, 384, 397, 447, 480, 576, 596, 640, 720, 745, 768, 794, 894, 960, 1152, 1191, 1192, 1280, 1341, 1440, 1490, 1588, 1788, 1920, 1985, 2235, 2304, 2382, 2384, 2682, 2880, 2980, 3176, 3573, 3576, 3840, 3970, 4470, 4764, 4768, 5364, 5760, 5955, 5960, 6352, 6705, 7146, 7152, 7940, 8940, 9528, 9536, 10728, 11520, 11910, 11920, 12704, 13410, 14292, 14304, 15880, 17865, 17880, 19056, 19072, 21456, 23820, 23840, 25408, 26820, 28584, 28608, 31760, 35730, 35760, 38112, 38144, 42912, 47640, 47680, 50816, 53640, 57168, 57216, 59153, 63520, 71460, 71520, 76224, 85824, 95280, 95360, 101632, 107280, 114336, 114432, 118306, 127040, 142920, 143040, 152448, 171648, 177459, 190560, 190720, 214560, 228672, 236612, 254080, 285840, 286080, 295765, 304896, 343296, 354918, 381120, 429120, 457344, 473224, 508160, 532377, 571680, 572160, 591530, 709836, 762240, 858240, 887295, 914688, 946448, 1064754, 1143360, 1183060, 1419672, 1524480, 1716480, 1774590, 1892896, 2129508, 2286720, 2366120, 2661885, 2839344, 3549180, 3785792, 4259016, 4573440, 4732240, 5323770, 5678688, 7098360, 7571584, 8518032, 9464480, 10647540, 11357376, 14196720, 15143168, 17036064, 18928960, 21295080, 22714752, 28393440, 34072128, 37857920, 42590160, 45429504, 56786880, 68144256, 75715840, 85180320, 113573760, 136288512, 170360640, 227147520, 340721280, 681442560]

約数ペア:

[(1, 681442560), (2, 340721280), (3, 227147520), (4, 170360640), (5, 136288512), (6, 113573760), (8, 85180320), (9, 75715840), (10, 68144256), (12, 56786880), (15, 45429504), (16, 42590160), (18, 37857920), (20, 34072128), (24, 28393440), (30, 22714752), (32, 21295080), (36, 18928960), (40, 17036064), (45, 15143168), (48, 14196720), (60, 11357376), (64, 10647540), (72, 9464480), (80, 8518032), (90, 7571584), (96, 7098360), (120, 5678688), (128, 5323770), (144, 4732240), (149, 4573440), (160, 4259016), (180, 3785792), (192, 3549180), (240, 2839344), (256, 2661885), (288, 2366120), (298, 2286720), (320, 2129508), (360, 1892896), (384, 1774590), (397, 1716480), (447, 1524480), (480, 1419672), (576, 1183060), (596, 1143360), (640, 1064754), (720, 946448), (745, 914688), (768, 887295), (794, 858240), (894, 762240), (960, 709836), (1152, 591530), (1191, 572160), (1192, 571680), (1280, 532377), (1341, 508160), (1440, 473224), (1490, 457344), (1588, 429120), (1788, 381120), (1920, 354918), (1985, 343296), (2235, 304896), (2304, 295765), (2382, 286080), (2384, 285840), (2682, 254080), (2880, 236612), (2980, 228672), (3176, 214560), (3573, 190720), (3576, 190560), (3840, 177459), (3970, 171648), (4470, 152448), (4764, 143040), (4768, 142920), (5364, 127040), (5760, 118306), (5955, 114432), (5960, 114336), (6352, 107280), (6705, 101632), (7146, 95360), (7152, 95280), (7940, 85824), (8940, 76224), (9528, 71520), (9536, 71460), (10728, 63520), (11520, 59153), (11910, 57216), (11920, 57168), (12704, 53640), (13410, 50816), (14292, 47680), (14304, 47640), (15880, 42912), (17865, 38144), (17880, 38112), (19056, 35760), (19072, 35730), (21456, 31760), (23820, 28608), (23840, 28584), (25408, 26820)]