344778280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:240

約数の個数: 256

約数和(自身を含む): 1048412160

約数和(自身を除く): 703633880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 31, 35, 40, 44, 46, 55, 56, 62, 70, 77, 88, 92, 110, 115, 124, 140, 154, 155, 157, 161, 184, 217, 220, 230, 248, 253, 280, 308, 310, 314, 322, 341, 385, 434, 440, 460, 506, 616, 620, 628, 644, 682, 713, 770, 785, 805, 868, 920, 1012, 1085, 1099, 1240, 1256, 1265, 1288, 1364, 1426, 1540, 1570, 1610, 1705, 1727, 1736, 1771, 2024, 2170, 2198, 2387, 2530, 2728, 2852, 3080, 3140, 3220, 3410, 3454, 3542, 3565, 3611, 4340, 4396, 4774, 4867, 4991, 5060, 5495, 5704, 6280, 6440, 6820, 6908, 7084, 7130, 7222, 7843, 8635, 8680, 8792, 8855, 9548, 9734, 9982, 10120, 10990, 11935, 12089, 13640, 13816, 14168, 14260, 14444, 15686, 17270, 17710, 18055, 19096, 19468, 19964, 21980, 23870, 24178, 24335, 24955, 25277, 28520, 28888, 31372, 34069, 34540, 35420, 36110, 38936, 39215, 39721, 39928, 43960, 47740, 48356, 48670, 49910, 50554, 53537, 54901, 60445, 62744, 68138, 69080, 70840, 72220, 78430, 79442, 95480, 96712, 97340, 99820, 101108, 107074, 109802, 111941, 120890, 126385, 136276, 144440, 156860, 158884, 170345, 194680, 198605, 199640, 202216, 214148, 219604, 223882, 241780, 252770, 267685, 272552, 274505, 278047, 313720, 317768, 340690, 374759, 397210, 428296, 439208, 447764, 483560, 505540, 535370, 549010, 556094, 559705, 681380, 749518, 783587, 794420, 895528, 1011080, 1070740, 1098020, 1112188, 1119410, 1231351, 1362760, 1390235, 1499036, 1567174, 1588840, 1873795, 2141480, 2196040, 2224376, 2238820, 2462702, 2780470, 2998072, 3134348, 3747590, 3917935, 4477640, 4925404, 5560940, 6156755, 6268696, 7495180, 7835870, 8619457, 9850808, 11121880, 12313510, 14990360, 15671740, 17238914, 24627020, 31343480, 34477828, 43097285, 49254040, 68955656, 86194570, 172389140, 344778280]

約数ペア:

[(1, 344778280), (2, 172389140), (4, 86194570), (5, 68955656), (7, 49254040), (8, 43097285), (10, 34477828), (11, 31343480), (14, 24627020), (20, 17238914), (22, 15671740), (23, 14990360), (28, 12313510), (31, 11121880), (35, 9850808), (40, 8619457), (44, 7835870), (46, 7495180), (55, 6268696), (56, 6156755), (62, 5560940), (70, 4925404), (77, 4477640), (88, 3917935), (92, 3747590), (110, 3134348), (115, 2998072), (124, 2780470), (140, 2462702), (154, 2238820), (155, 2224376), (157, 2196040), (161, 2141480), (184, 1873795), (217, 1588840), (220, 1567174), (230, 1499036), (248, 1390235), (253, 1362760), (280, 1231351), (308, 1119410), (310, 1112188), (314, 1098020), (322, 1070740), (341, 1011080), (385, 895528), (434, 794420), (440, 783587), (460, 749518), (506, 681380), (616, 559705), (620, 556094), (628, 549010), (644, 535370), (682, 505540), (713, 483560), (770, 447764), (785, 439208), (805, 428296), (868, 397210), (920, 374759), (1012, 340690), (1085, 317768), (1099, 313720), (1240, 278047), (1256, 274505), (1265, 272552), (1288, 267685), (1364, 252770), (1426, 241780), (1540, 223882), (1570, 219604), (1610, 214148), (1705, 202216), (1727, 199640), (1736, 198605), (1771, 194680), (2024, 170345), (2170, 158884), (2198, 156860), (2387, 144440), (2530, 136276), (2728, 126385), (2852, 120890), (3080, 111941), (3140, 109802), (3220, 107074), (3410, 101108), (3454, 99820), (3542, 97340), (3565, 96712), (3611, 95480), (4340, 79442), (4396, 78430), (4774, 72220), (4867, 70840), (4991, 69080), (5060, 68138), (5495, 62744), (5704, 60445), (6280, 54901), (6440, 53537), (6820, 50554), (6908, 49910), (7084, 48670), (7130, 48356), (7222, 47740), (7843, 43960), (8635, 39928), (8680, 39721), (8792, 39215), (8855, 38936), (9548, 36110), (9734, 35420), (9982, 34540), (10120, 34069), (10990, 31372), (11935, 28888), (12089, 28520), (13640, 25277), (13816, 24955), (14168, 24335), (14260, 24178), (14444, 23870), (15686, 21980), (17270, 19964), (17710, 19468), (18055, 19096)]