490640640

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{18253}}^1$

素因数の和:18284

約数の個数: 144

約数和(自身を含む): 1790936448

約数和(自身を除く): 1300295808

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, 18253, 26880, 36506, 54759, 73012, 91265, 109518, 127771, 146024, 182530, 219036, 255542, 273795, 292048, 365060, 383313, 438072, 511084, 547590, 584096, 638855, 730120, 766626, 876144, 1022168, 1095180, 1168192, 1277710, 1460240, 1533252, 1752288, 1916565, 2044336, 2190360, 2336384, 2555420, 2920480, 3066504, 3504576, 3833130, 4088672, 4380720, 4672768, 5110840, 5840960, 6133008, 7009152, 7666260, 8177344, 8761440, 10221680, 11681920, 12266016, 14018304, 15332520, 16354688, 17522880, 20443360, 23363840, 24532032, 30665040, 32709376, 35045760, 40886720, 49064064, 61330080, 70091520, 81773440, 98128128, 122660160, 163546880, 245320320, 490640640]

約数ペア:

[(1, 490640640), (2, 245320320), (3, 163546880), (4, 122660160), (5, 98128128), (6, 81773440), (7, 70091520), (8, 61330080), (10, 49064064), (12, 40886720), (14, 35045760), (15, 32709376), (16, 30665040), (20, 24532032), (21, 23363840), (24, 20443360), (28, 17522880), (30, 16354688), (32, 15332520), (35, 14018304), (40, 12266016), (42, 11681920), (48, 10221680), (56, 8761440), (60, 8177344), (64, 7666260), (70, 7009152), (80, 6133008), (84, 5840960), (96, 5110840), (105, 4672768), (112, 4380720), (120, 4088672), (128, 3833130), (140, 3504576), (160, 3066504), (168, 2920480), (192, 2555420), (210, 2336384), (224, 2190360), (240, 2044336), (256, 1916565), (280, 1752288), (320, 1533252), (336, 1460240), (384, 1277710), (420, 1168192), (448, 1095180), (480, 1022168), (560, 876144), (640, 766626), (672, 730120), (768, 638855), (840, 584096), (896, 547590), (960, 511084), (1120, 438072), (1280, 383313), (1344, 365060), (1680, 292048), (1792, 273795), (1920, 255542), (2240, 219036), (2688, 182530), (3360, 146024), (3840, 127771), (4480, 109518), (5376, 91265), (6720, 73012), (8960, 54759), (13440, 36506), (18253, 26880)]