648401208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 256

約数和(自身を含む): 2106531840

約数和(自身を除く): 1458130632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 61, 62, 78, 84, 91, 93, 104, 122, 124, 156, 157, 168, 182, 183, 186, 217, 244, 248, 273, 312, 314, 364, 366, 372, 403, 427, 434, 471, 488, 546, 628, 651, 728, 732, 744, 793, 806, 854, 868, 942, 1092, 1099, 1209, 1256, 1281, 1302, 1464, 1586, 1612, 1708, 1736, 1884, 1891, 2041, 2184, 2198, 2379, 2418, 2562, 2604, 2821, 3172, 3224, 3297, 3416, 3768, 3782, 4082, 4396, 4758, 4836, 4867, 5124, 5208, 5551, 5642, 5673, 6123, 6344, 6594, 7564, 8164, 8463, 8792, 9516, 9577, 9672, 9734, 10248, 11102, 11284, 11346, 12246, 13188, 13237, 14287, 14601, 15128, 16328, 16653, 16926, 19032, 19154, 19468, 22204, 22568, 22692, 24492, 24583, 26376, 26474, 28574, 28731, 29202, 33306, 33852, 34069, 38308, 38936, 39711, 42861, 44408, 45384, 48984, 49166, 52948, 57148, 57462, 58404, 63271, 66612, 67039, 67704, 68138, 73749, 76616, 79422, 85722, 98332, 102207, 105896, 114296, 114924, 116808, 124501, 126542, 133224, 134078, 136276, 147498, 158844, 171444, 172081, 189813, 196664, 201117, 204414, 229848, 249002, 253084, 268156, 272552, 294996, 296887, 317688, 342888, 344162, 373503, 379626, 402234, 408828, 442897, 498004, 506168, 516243, 536312, 589992, 593774, 688324, 747006, 759252, 804468, 817656, 871507, 885794, 890661, 996008, 1032486, 1187548, 1328691, 1376648, 1494012, 1518504, 1608936, 1743014, 1771588, 1781322, 2064972, 2078209, 2375096, 2614521, 2657382, 2988024, 3486028, 3543176, 3562644, 3859531, 4129944, 4156418, 5229042, 5314764, 6234627, 6972056, 7125288, 7719062, 8312836, 10458084, 10629528, 11578593, 12469254, 15438124, 16625672, 20916168, 23157186, 24938508, 27016717, 30876248, 46314372, 49877016, 54033434, 81050151, 92628744, 108066868, 162100302, 216133736, 324200604, 648401208]

約数ペア:

[(1, 648401208), (2, 324200604), (3, 216133736), (4, 162100302), (6, 108066868), (7, 92628744), (8, 81050151), (12, 54033434), (13, 49877016), (14, 46314372), (21, 30876248), (24, 27016717), (26, 24938508), (28, 23157186), (31, 20916168), (39, 16625672), (42, 15438124), (52, 12469254), (56, 11578593), (61, 10629528), (62, 10458084), (78, 8312836), (84, 7719062), (91, 7125288), (93, 6972056), (104, 6234627), (122, 5314764), (124, 5229042), (156, 4156418), (157, 4129944), (168, 3859531), (182, 3562644), (183, 3543176), (186, 3486028), (217, 2988024), (244, 2657382), (248, 2614521), (273, 2375096), (312, 2078209), (314, 2064972), (364, 1781322), (366, 1771588), (372, 1743014), (403, 1608936), (427, 1518504), (434, 1494012), (471, 1376648), (488, 1328691), (546, 1187548), (628, 1032486), (651, 996008), (728, 890661), (732, 885794), (744, 871507), (793, 817656), (806, 804468), (854, 759252), (868, 747006), (942, 688324), (1092, 593774), (1099, 589992), (1209, 536312), (1256, 516243), (1281, 506168), (1302, 498004), (1464, 442897), (1586, 408828), (1612, 402234), (1708, 379626), (1736, 373503), (1884, 344162), (1891, 342888), (2041, 317688), (2184, 296887), (2198, 294996), (2379, 272552), (2418, 268156), (2562, 253084), (2604, 249002), (2821, 229848), (3172, 204414), (3224, 201117), (3297, 196664), (3416, 189813), (3768, 172081), (3782, 171444), (4082, 158844), (4396, 147498), (4758, 136276), (4836, 134078), (4867, 133224), (5124, 126542), (5208, 124501), (5551, 116808), (5642, 114924), (5673, 114296), (6123, 105896), (6344, 102207), (6594, 98332), (7564, 85722), (8164, 79422), (8463, 76616), (8792, 73749), (9516, 68138), (9577, 67704), (9672, 67039), (9734, 66612), (10248, 63271), (11102, 58404), (11284, 57462), (11346, 57148), (12246, 52948), (13188, 49166), (13237, 48984), (14287, 45384), (14601, 44408), (15128, 42861), (16328, 39711), (16653, 38936), (16926, 38308), (19032, 34069), (19154, 33852), (19468, 33306), (22204, 29202), (22568, 28731), (22692, 28574), (24492, 26474), (24583, 26376)]