278920152

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 964234800

約数和(自身を除く): 685314648

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 27, 28, 36, 38, 42, 49, 54, 56, 57, 63, 72, 73, 76, 84, 98, 108, 114, 126, 133, 146, 147, 152, 168, 171, 189, 196, 216, 219, 228, 252, 266, 292, 294, 342, 361, 378, 392, 399, 438, 441, 456, 504, 511, 513, 532, 584, 588, 657, 684, 722, 756, 798, 876, 882, 931, 1022, 1026, 1064, 1083, 1176, 1197, 1314, 1323, 1368, 1387, 1444, 1512, 1533, 1596, 1752, 1764, 1862, 1971, 2044, 2052, 2166, 2394, 2527, 2628, 2646, 2774, 2793, 2888, 3066, 3192, 3249, 3528, 3577, 3591, 3724, 3942, 4088, 4104, 4161, 4332, 4599, 4788, 5054, 5256, 5292, 5548, 5586, 6132, 6498, 7154, 7182, 7448, 7581, 7884, 8322, 8379, 8664, 9198, 9576, 9709, 9747, 10108, 10584, 10731, 11096, 11172, 12264, 12483, 12996, 13797, 14308, 14364, 15162, 15768, 16644, 16758, 17689, 18396, 19418, 19494, 20216, 21462, 22344, 22743, 24966, 25137, 25992, 26353, 27594, 28616, 28728, 29127, 30324, 32193, 33288, 33516, 35378, 36792, 37449, 38836, 38988, 42924, 45486, 49932, 50274, 52706, 53067, 55188, 58254, 60648, 64386, 67032, 67963, 68229, 70756, 74898, 77672, 77976, 79059, 85848, 87381, 90972, 96579, 99864, 100548, 105412, 106134, 110376, 116508, 128772, 135926, 136458, 141512, 149796, 158118, 159201, 174762, 181944, 184471, 193158, 201096, 203889, 210824, 212268, 233016, 237177, 257544, 262143, 271852, 272916, 299592, 316236, 318402, 349524, 368942, 386316, 407778, 424536, 474354, 477603, 524286, 543704, 545832, 553413, 611667, 632472, 636804, 699048, 711531, 737884, 772632, 815556, 948708, 955206, 1048572, 1106826, 1223334, 1273608, 1291297, 1423062, 1475768, 1631112, 1660239, 1835001, 1897416, 1910412, 2097144, 2213652, 2446668, 2582594, 2846124, 3320478, 3670002, 3820824, 3873891, 4427304, 4893336, 4980717, 5165188, 5692248, 6640956, 7340004, 7747782, 9961434, 10330376, 11621673, 13281912, 14680008, 15495564, 19922868, 23243346, 30991128, 34865019, 39845736, 46486692, 69730038, 92973384, 139460076, 278920152]

約数ペア:

[(1, 278920152), (2, 139460076), (3, 92973384), (4, 69730038), (6, 46486692), (7, 39845736), (8, 34865019), (9, 30991128), (12, 23243346), (14, 19922868), (18, 15495564), (19, 14680008), (21, 13281912), (24, 11621673), (27, 10330376), (28, 9961434), (36, 7747782), (38, 7340004), (42, 6640956), (49, 5692248), (54, 5165188), (56, 4980717), (57, 4893336), (63, 4427304), (72, 3873891), (73, 3820824), (76, 3670002), (84, 3320478), (98, 2846124), (108, 2582594), (114, 2446668), (126, 2213652), (133, 2097144), (146, 1910412), (147, 1897416), (152, 1835001), (168, 1660239), (171, 1631112), (189, 1475768), (196, 1423062), (216, 1291297), (219, 1273608), (228, 1223334), (252, 1106826), (266, 1048572), (292, 955206), (294, 948708), (342, 815556), (361, 772632), (378, 737884), (392, 711531), (399, 699048), (438, 636804), (441, 632472), (456, 611667), (504, 553413), (511, 545832), (513, 543704), (532, 524286), (584, 477603), (588, 474354), (657, 424536), (684, 407778), (722, 386316), (756, 368942), (798, 349524), (876, 318402), (882, 316236), (931, 299592), (1022, 272916), (1026, 271852), (1064, 262143), (1083, 257544), (1176, 237177), (1197, 233016), (1314, 212268), (1323, 210824), (1368, 203889), (1387, 201096), (1444, 193158), (1512, 184471), (1533, 181944), (1596, 174762), (1752, 159201), (1764, 158118), (1862, 149796), (1971, 141512), (2044, 136458), (2052, 135926), (2166, 128772), (2394, 116508), (2527, 110376), (2628, 106134), (2646, 105412), (2774, 100548), (2793, 99864), (2888, 96579), (3066, 90972), (3192, 87381), (3249, 85848), (3528, 79059), (3577, 77976), (3591, 77672), (3724, 74898), (3942, 70756), (4088, 68229), (4104, 67963), (4161, 67032), (4332, 64386), (4599, 60648), (4788, 58254), (5054, 55188), (5256, 53067), (5292, 52706), (5548, 50274), (5586, 49932), (6132, 45486), (6498, 42924), (7154, 38988), (7182, 38836), (7448, 37449), (7581, 36792), (7884, 35378), (8322, 33516), (8379, 33288), (8664, 32193), (9198, 30324), (9576, 29127), (9709, 28728), (9747, 28616), (10108, 27594), (10584, 26353), (10731, 25992), (11096, 25137), (11172, 24966), (12264, 22743), (12483, 22344), (12996, 21462), (13797, 20216), (14308, 19494), (14364, 19418), (15162, 18396), (15768, 17689), (16644, 16758)]