257789280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1051}}^1$

素因数の和:1149

約数の個数: 192

約数和(自身を含む): 941649408

約数和(自身を除く): 683860128

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, 70, 73, 80, 84, 96, 105, 112, 120, 140, 146, 160, 168, 210, 219, 224, 240, 280, 292, 336, 365, 420, 438, 480, 511, 560, 584, 672, 730, 840, 876, 1022, 1051, 1095, 1120, 1168, 1460, 1533, 1680, 1752, 2044, 2102, 2190, 2336, 2555, 2920, 3066, 3153, 3360, 3504, 4088, 4204, 4380, 5110, 5255, 5840, 6132, 6306, 7008, 7357, 7665, 8176, 8408, 8760, 10220, 10510, 11680, 12264, 12612, 14714, 15330, 15765, 16352, 16816, 17520, 20440, 21020, 22071, 24528, 25224, 29428, 30660, 31530, 33632, 35040, 36785, 40880, 42040, 44142, 49056, 50448, 58856, 61320, 63060, 73570, 76723, 81760, 84080, 88284, 100896, 110355, 117712, 122640, 126120, 147140, 153446, 168160, 176568, 220710, 230169, 235424, 245280, 252240, 294280, 306892, 353136, 383615, 441420, 460338, 504480, 537061, 588560, 613784, 706272, 767230, 882840, 920676, 1074122, 1150845, 1177120, 1227568, 1534460, 1611183, 1765680, 1841352, 2148244, 2301690, 2455136, 2685305, 3068920, 3222366, 3531360, 3682704, 4296488, 4603380, 5370610, 6137840, 6444732, 7365408, 8055915, 8592976, 9206760, 10741220, 12275680, 12889464, 16111830, 17185952, 18413520, 21482440, 25778928, 32223660, 36827040, 42964880, 51557856, 64447320, 85929760, 128894640, 257789280]

約数ペア:

[(1, 257789280), (2, 128894640), (3, 85929760), (4, 64447320), (5, 51557856), (6, 42964880), (7, 36827040), (8, 32223660), (10, 25778928), (12, 21482440), (14, 18413520), (15, 17185952), (16, 16111830), (20, 12889464), (21, 12275680), (24, 10741220), (28, 9206760), (30, 8592976), (32, 8055915), (35, 7365408), (40, 6444732), (42, 6137840), (48, 5370610), (56, 4603380), (60, 4296488), (70, 3682704), (73, 3531360), (80, 3222366), (84, 3068920), (96, 2685305), (105, 2455136), (112, 2301690), (120, 2148244), (140, 1841352), (146, 1765680), (160, 1611183), (168, 1534460), (210, 1227568), (219, 1177120), (224, 1150845), (240, 1074122), (280, 920676), (292, 882840), (336, 767230), (365, 706272), (420, 613784), (438, 588560), (480, 537061), (511, 504480), (560, 460338), (584, 441420), (672, 383615), (730, 353136), (840, 306892), (876, 294280), (1022, 252240), (1051, 245280), (1095, 235424), (1120, 230169), (1168, 220710), (1460, 176568), (1533, 168160), (1680, 153446), (1752, 147140), (2044, 126120), (2102, 122640), (2190, 117712), (2336, 110355), (2555, 100896), (2920, 88284), (3066, 84080), (3153, 81760), (3360, 76723), (3504, 73570), (4088, 63060), (4204, 61320), (4380, 58856), (5110, 50448), (5255, 49056), (5840, 44142), (6132, 42040), (6306, 40880), (7008, 36785), (7357, 35040), (7665, 33632), (8176, 31530), (8408, 30660), (8760, 29428), (10220, 25224), (10510, 24528), (11680, 22071), (12264, 21020), (12612, 20440), (14714, 17520), (15330, 16816), (15765, 16352)]