261941940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:239

約数の個数: 288

約数和(自身を含む): 927553536

約数和(自身を除く): 665611596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 31, 36, 39, 45, 46, 52, 60, 62, 65, 69, 78, 90, 92, 93, 115, 117, 124, 130, 138, 155, 156, 157, 180, 186, 195, 207, 230, 234, 260, 276, 279, 299, 310, 314, 345, 372, 390, 403, 414, 460, 465, 468, 471, 558, 585, 598, 620, 628, 690, 713, 780, 785, 806, 828, 897, 930, 942, 1035, 1116, 1170, 1196, 1209, 1380, 1395, 1413, 1426, 1495, 1570, 1612, 1794, 1860, 1884, 2015, 2041, 2070, 2139, 2340, 2355, 2418, 2691, 2790, 2826, 2852, 2990, 3140, 3565, 3588, 3611, 3627, 4030, 4082, 4140, 4278, 4485, 4710, 4836, 4867, 5382, 5580, 5652, 5980, 6045, 6123, 6417, 7065, 7130, 7222, 7254, 8060, 8164, 8556, 8970, 9269, 9420, 9734, 10205, 10695, 10764, 10833, 12090, 12246, 12834, 13455, 14130, 14260, 14444, 14508, 14601, 17940, 18055, 18135, 18369, 18538, 19468, 20410, 21390, 21666, 24180, 24335, 24492, 25668, 26910, 27807, 28260, 29202, 30615, 32085, 32499, 36110, 36270, 36738, 37076, 40820, 42780, 43332, 43803, 46345, 46943, 48670, 53820, 54165, 55614, 58404, 61230, 63271, 64170, 64998, 72220, 72540, 73005, 73476, 83421, 87606, 91845, 92690, 93886, 97340, 108330, 111228, 111941, 122460, 126542, 128340, 129996, 139035, 140829, 146010, 162495, 166842, 175212, 183690, 185380, 187772, 189813, 216660, 219015, 223882, 234715, 253084, 278070, 281658, 292020, 316355, 324990, 333684, 335823, 367380, 379626, 417105, 422487, 438030, 447764, 469430, 556140, 559705, 563316, 569439, 632710, 649980, 671646, 704145, 759252, 834210, 844974, 876060, 938860, 949065, 1007469, 1119410, 1138878, 1265420, 1343292, 1408290, 1455233, 1668420, 1679115, 1689948, 1898130, 2014938, 2112435, 2238820, 2277756, 2816580, 2847195, 2910466, 3358230, 3796260, 4029876, 4224870, 4365699, 5037345, 5694390, 5820932, 6716460, 7276165, 8449740, 8731398, 10074690, 11388780, 13097097, 14552330, 17462796, 20149380, 21828495, 26194194, 29104660, 43656990, 52388388, 65485485, 87313980, 130970970, 261941940]

約数ペア:

[(1, 261941940), (2, 130970970), (3, 87313980), (4, 65485485), (5, 52388388), (6, 43656990), (9, 29104660), (10, 26194194), (12, 21828495), (13, 20149380), (15, 17462796), (18, 14552330), (20, 13097097), (23, 11388780), (26, 10074690), (30, 8731398), (31, 8449740), (36, 7276165), (39, 6716460), (45, 5820932), (46, 5694390), (52, 5037345), (60, 4365699), (62, 4224870), (65, 4029876), (69, 3796260), (78, 3358230), (90, 2910466), (92, 2847195), (93, 2816580), (115, 2277756), (117, 2238820), (124, 2112435), (130, 2014938), (138, 1898130), (155, 1689948), (156, 1679115), (157, 1668420), (180, 1455233), (186, 1408290), (195, 1343292), (207, 1265420), (230, 1138878), (234, 1119410), (260, 1007469), (276, 949065), (279, 938860), (299, 876060), (310, 844974), (314, 834210), (345, 759252), (372, 704145), (390, 671646), (403, 649980), (414, 632710), (460, 569439), (465, 563316), (468, 559705), (471, 556140), (558, 469430), (585, 447764), (598, 438030), (620, 422487), (628, 417105), (690, 379626), (713, 367380), (780, 335823), (785, 333684), (806, 324990), (828, 316355), (897, 292020), (930, 281658), (942, 278070), (1035, 253084), (1116, 234715), (1170, 223882), (1196, 219015), (1209, 216660), (1380, 189813), (1395, 187772), (1413, 185380), (1426, 183690), (1495, 175212), (1570, 166842), (1612, 162495), (1794, 146010), (1860, 140829), (1884, 139035), (2015, 129996), (2041, 128340), (2070, 126542), (2139, 122460), (2340, 111941), (2355, 111228), (2418, 108330), (2691, 97340), (2790, 93886), (2826, 92690), (2852, 91845), (2990, 87606), (3140, 83421), (3565, 73476), (3588, 73005), (3611, 72540), (3627, 72220), (4030, 64998), (4082, 64170), (4140, 63271), (4278, 61230), (4485, 58404), (4710, 55614), (4836, 54165), (4867, 53820), (5382, 48670), (5580, 46943), (5652, 46345), (5980, 43803), (6045, 43332), (6123, 42780), (6417, 40820), (7065, 37076), (7130, 36738), (7222, 36270), (7254, 36110), (8060, 32499), (8164, 32085), (8556, 30615), (8970, 29202), (9269, 28260), (9420, 27807), (9734, 26910), (10205, 25668), (10695, 24492), (10764, 24335), (10833, 24180), (12090, 21666), (12246, 21390), (12834, 20410), (13455, 19468), (14130, 18538), (14260, 18369), (14444, 18135), (14508, 18055), (14601, 17940)]