255740800

素因数分解:

$2^7\times 5^2\times 7^3\times {\mathrm{233}}^1$

素因数の和:278

約数の個数: 192

約数和(自身を含む): 739908000

約数和(自身を除く): 484167200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 128, 140, 160, 175, 196, 200, 224, 233, 245, 280, 320, 343, 350, 392, 400, 448, 466, 490, 560, 640, 686, 700, 784, 800, 896, 932, 980, 1120, 1165, 1225, 1372, 1400, 1568, 1600, 1631, 1715, 1864, 1960, 2240, 2330, 2450, 2744, 2800, 3136, 3200, 3262, 3430, 3728, 3920, 4480, 4660, 4900, 5488, 5600, 5825, 6272, 6524, 6860, 7456, 7840, 8155, 8575, 9320, 9800, 10976, 11200, 11417, 11650, 13048, 13720, 14912, 15680, 16310, 17150, 18640, 19600, 21952, 22400, 22834, 23300, 26096, 27440, 29824, 31360, 32620, 34300, 37280, 39200, 40775, 43904, 45668, 46600, 52192, 54880, 57085, 65240, 68600, 74560, 78400, 79919, 81550, 91336, 93200, 104384, 109760, 114170, 130480, 137200, 149120, 156800, 159838, 163100, 182672, 186400, 208768, 219520, 228340, 260960, 274400, 285425, 319676, 326200, 365344, 372800, 399595, 456680, 521920, 548800, 570850, 639352, 652400, 730688, 745600, 799190, 913360, 1043840, 1097600, 1141700, 1278704, 1304800, 1461376, 1598380, 1826720, 1997975, 2283400, 2557408, 2609600, 3196760, 3653440, 3995950, 4566800, 5114816, 5219200, 6393520, 7306880, 7991900, 9133600, 10229632, 12787040, 15983800, 18267200, 25574080, 31967600, 36534400, 51148160, 63935200, 127870400, 255740800]

約数ペア:

[(1, 255740800), (2, 127870400), (4, 63935200), (5, 51148160), (7, 36534400), (8, 31967600), (10, 25574080), (14, 18267200), (16, 15983800), (20, 12787040), (25, 10229632), (28, 9133600), (32, 7991900), (35, 7306880), (40, 6393520), (49, 5219200), (50, 5114816), (56, 4566800), (64, 3995950), (70, 3653440), (80, 3196760), (98, 2609600), (100, 2557408), (112, 2283400), (128, 1997975), (140, 1826720), (160, 1598380), (175, 1461376), (196, 1304800), (200, 1278704), (224, 1141700), (233, 1097600), (245, 1043840), (280, 913360), (320, 799190), (343, 745600), (350, 730688), (392, 652400), (400, 639352), (448, 570850), (466, 548800), (490, 521920), (560, 456680), (640, 399595), (686, 372800), (700, 365344), (784, 326200), (800, 319676), (896, 285425), (932, 274400), (980, 260960), (1120, 228340), (1165, 219520), (1225, 208768), (1372, 186400), (1400, 182672), (1568, 163100), (1600, 159838), (1631, 156800), (1715, 149120), (1864, 137200), (1960, 130480), (2240, 114170), (2330, 109760), (2450, 104384), (2744, 93200), (2800, 91336), (3136, 81550), (3200, 79919), (3262, 78400), (3430, 74560), (3728, 68600), (3920, 65240), (4480, 57085), (4660, 54880), (4900, 52192), (5488, 46600), (5600, 45668), (5825, 43904), (6272, 40775), (6524, 39200), (6860, 37280), (7456, 34300), (7840, 32620), (8155, 31360), (8575, 29824), (9320, 27440), (9800, 26096), (10976, 23300), (11200, 22834), (11417, 22400), (11650, 21952), (13048, 19600), (13720, 18640), (14912, 17150), (15680, 16310)]