240120240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 794681280

約数和(自身を除く): 554561040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 229, 240, 255, 257, 272, 340, 408, 458, 510, 514, 680, 687, 771, 816, 916, 1020, 1028, 1145, 1285, 1360, 1374, 1542, 1832, 2040, 2056, 2290, 2570, 2748, 3084, 3435, 3664, 3855, 3893, 4080, 4112, 4369, 4580, 5140, 5496, 6168, 6870, 7710, 7786, 8738, 9160, 10280, 10992, 11679, 12336, 13107, 13740, 15420, 15572, 17476, 18320, 19465, 20560, 21845, 23358, 26214, 27480, 30840, 31144, 34952, 38930, 43690, 46716, 52428, 54960, 58395, 58853, 61680, 62288, 65535, 69904, 77860, 87380, 93432, 104856, 116790, 117706, 131070, 155720, 174760, 176559, 186864, 209712, 233580, 235412, 262140, 294265, 311440, 349520, 353118, 467160, 470824, 524280, 588530, 706236, 882795, 934320, 941648, 1000501, 1048560, 1177060, 1412472, 1765590, 2001002, 2354120, 2824944, 3001503, 3531180, 4002004, 4708240, 5002505, 6003006, 7062360, 8004008, 10005010, 12006012, 14124720, 15007515, 16008016, 20010020, 24012024, 30015030, 40020040, 48024048, 60030060, 80040080, 120060120, 240120240]

約数ペア:

[(1, 240120240), (2, 120060120), (3, 80040080), (4, 60030060), (5, 48024048), (6, 40020040), (8, 30015030), (10, 24012024), (12, 20010020), (15, 16008016), (16, 15007515), (17, 14124720), (20, 12006012), (24, 10005010), (30, 8004008), (34, 7062360), (40, 6003006), (48, 5002505), (51, 4708240), (60, 4002004), (68, 3531180), (80, 3001503), (85, 2824944), (102, 2354120), (120, 2001002), (136, 1765590), (170, 1412472), (204, 1177060), (229, 1048560), (240, 1000501), (255, 941648), (257, 934320), (272, 882795), (340, 706236), (408, 588530), (458, 524280), (510, 470824), (514, 467160), (680, 353118), (687, 349520), (771, 311440), (816, 294265), (916, 262140), (1020, 235412), (1028, 233580), (1145, 209712), (1285, 186864), (1360, 176559), (1374, 174760), (1542, 155720), (1832, 131070), (2040, 117706), (2056, 116790), (2290, 104856), (2570, 93432), (2748, 87380), (3084, 77860), (3435, 69904), (3664, 65535), (3855, 62288), (3893, 61680), (4080, 58853), (4112, 58395), (4369, 54960), (4580, 52428), (5140, 46716), (5496, 43690), (6168, 38930), (6870, 34952), (7710, 31144), (7786, 30840), (8738, 27480), (9160, 26214), (10280, 23358), (10992, 21845), (11679, 20560), (12336, 19465), (13107, 18320), (13740, 17476), (15420, 15572)]