256783800

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4703}}^1$

素因数の和:4742

約数の個数: 192

約数和(自身を含む): 979937280

約数和(自身を除く): 723153480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 25, 26, 28, 30, 35, 39, 40, 42, 50, 52, 56, 60, 65, 70, 75, 78, 84, 91, 100, 104, 105, 120, 130, 140, 150, 156, 168, 175, 182, 195, 200, 210, 260, 273, 280, 300, 312, 325, 350, 364, 390, 420, 455, 520, 525, 546, 600, 650, 700, 728, 780, 840, 910, 975, 1050, 1092, 1300, 1365, 1400, 1560, 1820, 1950, 2100, 2184, 2275, 2600, 2730, 3640, 3900, 4200, 4550, 4703, 5460, 6825, 7800, 9100, 9406, 10920, 13650, 14109, 18200, 18812, 23515, 27300, 28218, 32921, 37624, 47030, 54600, 56436, 61139, 65842, 70545, 94060, 98763, 112872, 117575, 122278, 131684, 141090, 164605, 183417, 188120, 197526, 235150, 244556, 263368, 282180, 305695, 329210, 352725, 366834, 395052, 427973, 470300, 489112, 493815, 564360, 611390, 658420, 705450, 733668, 790104, 823025, 855946, 917085, 940600, 987630, 1222780, 1283919, 1316840, 1410900, 1467336, 1528475, 1646050, 1711892, 1834170, 1975260, 2139865, 2445560, 2469075, 2567838, 2821800, 3056950, 3292100, 3423784, 3668340, 3950520, 4279730, 4585425, 4938150, 5135676, 6113900, 6419595, 6584200, 7336680, 8559460, 9170850, 9876300, 10271352, 10699325, 12227800, 12839190, 17118920, 18341700, 19752600, 21398650, 25678380, 32097975, 36683400, 42797300, 51356760, 64195950, 85594600, 128391900, 256783800]

約数ペア:

[(1, 256783800), (2, 128391900), (3, 85594600), (4, 64195950), (5, 51356760), (6, 42797300), (7, 36683400), (8, 32097975), (10, 25678380), (12, 21398650), (13, 19752600), (14, 18341700), (15, 17118920), (20, 12839190), (21, 12227800), (24, 10699325), (25, 10271352), (26, 9876300), (28, 9170850), (30, 8559460), (35, 7336680), (39, 6584200), (40, 6419595), (42, 6113900), (50, 5135676), (52, 4938150), (56, 4585425), (60, 4279730), (65, 3950520), (70, 3668340), (75, 3423784), (78, 3292100), (84, 3056950), (91, 2821800), (100, 2567838), (104, 2469075), (105, 2445560), (120, 2139865), (130, 1975260), (140, 1834170), (150, 1711892), (156, 1646050), (168, 1528475), (175, 1467336), (182, 1410900), (195, 1316840), (200, 1283919), (210, 1222780), (260, 987630), (273, 940600), (280, 917085), (300, 855946), (312, 823025), (325, 790104), (350, 733668), (364, 705450), (390, 658420), (420, 611390), (455, 564360), (520, 493815), (525, 489112), (546, 470300), (600, 427973), (650, 395052), (700, 366834), (728, 352725), (780, 329210), (840, 305695), (910, 282180), (975, 263368), (1050, 244556), (1092, 235150), (1300, 197526), (1365, 188120), (1400, 183417), (1560, 164605), (1820, 141090), (1950, 131684), (2100, 122278), (2184, 117575), (2275, 112872), (2600, 98763), (2730, 94060), (3640, 70545), (3900, 65842), (4200, 61139), (4550, 56436), (4703, 54600), (5460, 47030), (6825, 37624), (7800, 32921), (9100, 28218), (9406, 27300), (10920, 23515), (13650, 18812), (14109, 18200)]