256151160

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:137

約数の個数: 288

約数和(自身を含む): 923635440

約数和(自身を除く): 667484280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 73, 76, 81, 90, 95, 108, 114, 120, 135, 146, 152, 162, 171, 180, 190, 216, 219, 228, 243, 270, 285, 292, 324, 342, 360, 361, 365, 380, 405, 438, 456, 486, 513, 540, 570, 584, 648, 657, 684, 722, 730, 760, 810, 855, 876, 972, 1026, 1080, 1083, 1095, 1140, 1215, 1314, 1368, 1387, 1444, 1460, 1539, 1620, 1710, 1752, 1805, 1944, 1971, 2052, 2166, 2190, 2280, 2430, 2565, 2628, 2774, 2888, 2920, 3078, 3240, 3249, 3285, 3420, 3610, 3942, 4104, 4161, 4332, 4380, 4617, 4860, 5130, 5256, 5415, 5548, 5913, 6156, 6498, 6570, 6840, 6935, 7220, 7695, 7884, 8322, 8664, 8760, 9234, 9720, 9747, 9855, 10260, 10830, 11096, 11826, 12312, 12483, 12996, 13140, 13870, 14440, 15390, 15768, 16245, 16644, 17739, 18468, 19494, 19710, 20520, 20805, 21660, 23085, 23652, 24966, 25992, 26280, 26353, 27740, 29241, 29565, 30780, 32490, 33288, 35478, 36936, 37449, 38988, 39420, 41610, 43320, 46170, 47304, 48735, 49932, 52706, 55480, 58482, 59130, 61560, 62415, 64980, 70956, 74898, 77976, 78840, 79059, 83220, 87723, 88695, 92340, 97470, 99864, 105412, 112347, 116964, 118260, 124830, 129960, 131765, 141912, 146205, 149796, 158118, 166440, 175446, 177390, 184680, 187245, 194940, 210824, 224694, 233928, 236520, 237177, 249660, 263530, 292410, 299592, 316236, 337041, 350892, 354780, 374490, 389880, 395295, 438615, 449388, 474354, 499320, 527060, 561735, 584820, 632472, 674082, 701784, 709560, 711531, 748980, 790590, 877230, 898776, 948708, 1054120, 1123470, 1169640, 1185885, 1348164, 1423062, 1497960, 1581180, 1685205, 1754460, 1897416, 2134593, 2246940, 2371770, 2696328, 2846124, 3162360, 3370410, 3508920, 3557655, 4269186, 4493880, 4743540, 5692248, 6403779, 6740820, 7115310, 8538372, 9487080, 10672965, 12807558, 13481640, 14230620, 17076744, 21345930, 25615116, 28461240, 32018895, 42691860, 51230232, 64037790, 85383720, 128075580, 256151160]

約数ペア:

[(1, 256151160), (2, 128075580), (3, 85383720), (4, 64037790), (5, 51230232), (6, 42691860), (8, 32018895), (9, 28461240), (10, 25615116), (12, 21345930), (15, 17076744), (18, 14230620), (19, 13481640), (20, 12807558), (24, 10672965), (27, 9487080), (30, 8538372), (36, 7115310), (38, 6740820), (40, 6403779), (45, 5692248), (54, 4743540), (57, 4493880), (60, 4269186), (72, 3557655), (73, 3508920), (76, 3370410), (81, 3162360), (90, 2846124), (95, 2696328), (108, 2371770), (114, 2246940), (120, 2134593), (135, 1897416), (146, 1754460), (152, 1685205), (162, 1581180), (171, 1497960), (180, 1423062), (190, 1348164), (216, 1185885), (219, 1169640), (228, 1123470), (243, 1054120), (270, 948708), (285, 898776), (292, 877230), (324, 790590), (342, 748980), (360, 711531), (361, 709560), (365, 701784), (380, 674082), (405, 632472), (438, 584820), (456, 561735), (486, 527060), (513, 499320), (540, 474354), (570, 449388), (584, 438615), (648, 395295), (657, 389880), (684, 374490), (722, 354780), (730, 350892), (760, 337041), (810, 316236), (855, 299592), (876, 292410), (972, 263530), (1026, 249660), (1080, 237177), (1083, 236520), (1095, 233928), (1140, 224694), (1215, 210824), (1314, 194940), (1368, 187245), (1387, 184680), (1444, 177390), (1460, 175446), (1539, 166440), (1620, 158118), (1710, 149796), (1752, 146205), (1805, 141912), (1944, 131765), (1971, 129960), (2052, 124830), (2166, 118260), (2190, 116964), (2280, 112347), (2430, 105412), (2565, 99864), (2628, 97470), (2774, 92340), (2888, 88695), (2920, 87723), (3078, 83220), (3240, 79059), (3249, 78840), (3285, 77976), (3420, 74898), (3610, 70956), (3942, 64980), (4104, 62415), (4161, 61560), (4332, 59130), (4380, 58482), (4617, 55480), (4860, 52706), (5130, 49932), (5256, 48735), (5415, 47304), (5548, 46170), (5913, 43320), (6156, 41610), (6498, 39420), (6570, 38988), (6840, 37449), (6935, 36936), (7220, 35478), (7695, 33288), (7884, 32490), (8322, 30780), (8664, 29565), (8760, 29241), (9234, 27740), (9720, 26353), (9747, 26280), (9855, 25992), (10260, 24966), (10830, 23652), (11096, 23085), (11826, 21660), (12312, 20805), (12483, 20520), (12996, 19710), (13140, 19494), (13870, 18468), (14440, 17739), (15390, 16644), (15768, 16245)]