281308160

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:246

約数の個数: 176

約数和(自身を含む): 792336384

約数和(自身を除く): 511028224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 56, 64, 70, 80, 94, 112, 128, 140, 160, 167, 188, 224, 235, 256, 280, 320, 329, 334, 376, 448, 470, 512, 560, 640, 658, 668, 752, 835, 896, 940, 1024, 1120, 1169, 1280, 1316, 1336, 1504, 1645, 1670, 1792, 1880, 2240, 2338, 2560, 2632, 2672, 3008, 3290, 3340, 3584, 3760, 4480, 4676, 5120, 5264, 5344, 5845, 6016, 6580, 6680, 7168, 7520, 7849, 8960, 9352, 10528, 10688, 11690, 12032, 13160, 13360, 15040, 15698, 17920, 18704, 21056, 21376, 23380, 24064, 26320, 26720, 30080, 31396, 35840, 37408, 39245, 42112, 42752, 46760, 48128, 52640, 53440, 54943, 60160, 62792, 74816, 78490, 84224, 85504, 93520, 105280, 106880, 109886, 120320, 125584, 149632, 156980, 168448, 171008, 187040, 210560, 213760, 219772, 240640, 251168, 274715, 299264, 313960, 336896, 374080, 421120, 427520, 439544, 502336, 549430, 598528, 627920, 748160, 842240, 855040, 879088, 1004672, 1098860, 1197056, 1255840, 1496320, 1684480, 1758176, 2009344, 2197720, 2511680, 2992640, 3516352, 4018688, 4395440, 5023360, 5985280, 7032704, 8037376, 8790880, 10046720, 14065408, 17581760, 20093440, 28130816, 35163520, 40186880, 56261632, 70327040, 140654080, 281308160]

約数ペア:

[(1, 281308160), (2, 140654080), (4, 70327040), (5, 56261632), (7, 40186880), (8, 35163520), (10, 28130816), (14, 20093440), (16, 17581760), (20, 14065408), (28, 10046720), (32, 8790880), (35, 8037376), (40, 7032704), (47, 5985280), (56, 5023360), (64, 4395440), (70, 4018688), (80, 3516352), (94, 2992640), (112, 2511680), (128, 2197720), (140, 2009344), (160, 1758176), (167, 1684480), (188, 1496320), (224, 1255840), (235, 1197056), (256, 1098860), (280, 1004672), (320, 879088), (329, 855040), (334, 842240), (376, 748160), (448, 627920), (470, 598528), (512, 549430), (560, 502336), (640, 439544), (658, 427520), (668, 421120), (752, 374080), (835, 336896), (896, 313960), (940, 299264), (1024, 274715), (1120, 251168), (1169, 240640), (1280, 219772), (1316, 213760), (1336, 210560), (1504, 187040), (1645, 171008), (1670, 168448), (1792, 156980), (1880, 149632), (2240, 125584), (2338, 120320), (2560, 109886), (2632, 106880), (2672, 105280), (3008, 93520), (3290, 85504), (3340, 84224), (3584, 78490), (3760, 74816), (4480, 62792), (4676, 60160), (5120, 54943), (5264, 53440), (5344, 52640), (5845, 48128), (6016, 46760), (6580, 42752), (6680, 42112), (7168, 39245), (7520, 37408), (7849, 35840), (8960, 31396), (9352, 30080), (10528, 26720), (10688, 26320), (11690, 24064), (12032, 23380), (13160, 21376), (13360, 21056), (15040, 18704), (15698, 17920)]