681472008

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 288

約数和(自身を含む): 2309320800

約数和(自身を除く): 1627848792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 49, 54, 56, 62, 63, 67, 72, 84, 93, 98, 108, 124, 126, 134, 147, 168, 186, 189, 196, 201, 216, 217, 248, 252, 268, 279, 294, 372, 378, 392, 402, 434, 441, 469, 504, 536, 558, 588, 603, 651, 744, 756, 804, 837, 868, 882, 938, 961, 1116, 1176, 1206, 1302, 1323, 1407, 1512, 1519, 1608, 1674, 1736, 1764, 1809, 1876, 1922, 1953, 2077, 2232, 2412, 2604, 2646, 2814, 2883, 3038, 3283, 3348, 3528, 3618, 3752, 3844, 3906, 4154, 4221, 4557, 4824, 5208, 5292, 5628, 5766, 5859, 6076, 6231, 6566, 6696, 6727, 7236, 7688, 7812, 8308, 8442, 8649, 9114, 9849, 10584, 11256, 11532, 11718, 12152, 12462, 12663, 13132, 13454, 13671, 14472, 14539, 15624, 16616, 16884, 17298, 18228, 18693, 19698, 20181, 23064, 23436, 24924, 25326, 25947, 26264, 26908, 27342, 29078, 29547, 33768, 34596, 36456, 37386, 39396, 40362, 41013, 43617, 46872, 47089, 49848, 50652, 51894, 53816, 54684, 56079, 58156, 59094, 60543, 64387, 69192, 74772, 78792, 80724, 82026, 87234, 88641, 94178, 101304, 101773, 103788, 109368, 112158, 116312, 118188, 121086, 128774, 130851, 141267, 149544, 161448, 164052, 174468, 177282, 181629, 188356, 193161, 203546, 207576, 224316, 236376, 242172, 257548, 261702, 282534, 305319, 328104, 348936, 354564, 363258, 376712, 386322, 392553, 407092, 423801, 448632, 450709, 484344, 515096, 523404, 565068, 579483, 610638, 709128, 726516, 772644, 785106, 814184, 847602, 901418, 915957, 1046808, 1130136, 1158966, 1221276, 1271403, 1352127, 1453032, 1545288, 1570212, 1695204, 1738449, 1802836, 1831914, 2317932, 2442552, 2542806, 2704254, 2747871, 3140424, 3154963, 3390408, 3476898, 3605672, 3663828, 4056381, 4635864, 5085612, 5408508, 5495742, 6309926, 6953796, 7327656, 8112762, 9464889, 10171224, 10817016, 10991484, 12169143, 12619852, 13907592, 16225524, 18929778, 21982968, 24338286, 25239704, 28394667, 32451048, 37859556, 48676572, 56789334, 75719112, 85184001, 97353144, 113578668, 170368002, 227157336, 340736004, 681472008]

約数ペア:

[(1, 681472008), (2, 340736004), (3, 227157336), (4, 170368002), (6, 113578668), (7, 97353144), (8, 85184001), (9, 75719112), (12, 56789334), (14, 48676572), (18, 37859556), (21, 32451048), (24, 28394667), (27, 25239704), (28, 24338286), (31, 21982968), (36, 18929778), (42, 16225524), (49, 13907592), (54, 12619852), (56, 12169143), (62, 10991484), (63, 10817016), (67, 10171224), (72, 9464889), (84, 8112762), (93, 7327656), (98, 6953796), (108, 6309926), (124, 5495742), (126, 5408508), (134, 5085612), (147, 4635864), (168, 4056381), (186, 3663828), (189, 3605672), (196, 3476898), (201, 3390408), (216, 3154963), (217, 3140424), (248, 2747871), (252, 2704254), (268, 2542806), (279, 2442552), (294, 2317932), (372, 1831914), (378, 1802836), (392, 1738449), (402, 1695204), (434, 1570212), (441, 1545288), (469, 1453032), (504, 1352127), (536, 1271403), (558, 1221276), (588, 1158966), (603, 1130136), (651, 1046808), (744, 915957), (756, 901418), (804, 847602), (837, 814184), (868, 785106), (882, 772644), (938, 726516), (961, 709128), (1116, 610638), (1176, 579483), (1206, 565068), (1302, 523404), (1323, 515096), (1407, 484344), (1512, 450709), (1519, 448632), (1608, 423801), (1674, 407092), (1736, 392553), (1764, 386322), (1809, 376712), (1876, 363258), (1922, 354564), (1953, 348936), (2077, 328104), (2232, 305319), (2412, 282534), (2604, 261702), (2646, 257548), (2814, 242172), (2883, 236376), (3038, 224316), (3283, 207576), (3348, 203546), (3528, 193161), (3618, 188356), (3752, 181629), (3844, 177282), (3906, 174468), (4154, 164052), (4221, 161448), (4557, 149544), (4824, 141267), (5208, 130851), (5292, 128774), (5628, 121086), (5766, 118188), (5859, 116312), (6076, 112158), (6231, 109368), (6566, 103788), (6696, 101773), (6727, 101304), (7236, 94178), (7688, 88641), (7812, 87234), (8308, 82026), (8442, 80724), (8649, 78792), (9114, 74772), (9849, 69192), (10584, 64387), (11256, 60543), (11532, 59094), (11718, 58156), (12152, 56079), (12462, 54684), (12663, 53816), (13132, 51894), (13454, 50652), (13671, 49848), (14472, 47089), (14539, 46872), (15624, 43617), (16616, 41013), (16884, 40362), (17298, 39396), (18228, 37386), (18693, 36456), (19698, 34596), (20181, 33768), (23064, 29547), (23436, 29078), (24924, 27342), (25326, 26908), (25947, 26264)]