209489040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 240

約数和(自身を含む): 742809600

約数和(自身を除く): 533320560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 72, 79, 80, 87, 90, 116, 120, 127, 144, 145, 158, 174, 180, 232, 237, 240, 254, 261, 290, 316, 348, 360, 381, 395, 435, 464, 474, 508, 522, 580, 632, 635, 696, 711, 720, 762, 790, 870, 948, 1016, 1044, 1143, 1160, 1185, 1264, 1270, 1305, 1392, 1422, 1524, 1580, 1740, 1896, 1905, 2032, 2088, 2286, 2291, 2320, 2370, 2540, 2610, 2844, 3048, 3160, 3480, 3555, 3683, 3792, 3810, 4176, 4572, 4582, 4740, 5080, 5220, 5688, 5715, 6096, 6320, 6873, 6960, 7110, 7366, 7620, 9144, 9164, 9480, 10033, 10160, 10440, 11049, 11376, 11430, 11455, 13746, 14220, 14732, 15240, 18288, 18328, 18415, 18960, 20066, 20619, 20880, 22098, 22860, 22910, 27492, 28440, 29464, 30099, 30480, 33147, 34365, 36656, 36830, 40132, 41238, 44196, 45720, 45820, 50165, 54984, 55245, 56880, 58928, 60198, 66294, 68730, 73660, 80264, 82476, 88392, 90297, 91440, 91640, 100330, 103095, 109968, 110490, 120396, 132588, 137460, 147320, 150495, 160528, 164952, 165735, 176784, 180594, 183280, 200660, 206190, 220980, 240792, 265176, 274920, 290957, 294640, 300990, 329904, 331470, 361188, 401320, 412380, 441960, 451485, 481584, 530352, 549840, 581914, 601980, 662940, 722376, 802640, 824760, 872871, 883920, 902970, 1163828, 1203960, 1325880, 1444752, 1454785, 1649520, 1745742, 1805940, 2327656, 2407920, 2618613, 2651760, 2909570, 3491484, 3611880, 4364355, 4655312, 5237226, 5819140, 6982968, 7223760, 8728710, 10474452, 11638280, 13093065, 13965936, 17457420, 20948904, 23276560, 26186130, 34914840, 41897808, 52372260, 69829680, 104744520, 209489040]

約数ペア:

[(1, 209489040), (2, 104744520), (3, 69829680), (4, 52372260), (5, 41897808), (6, 34914840), (8, 26186130), (9, 23276560), (10, 20948904), (12, 17457420), (15, 13965936), (16, 13093065), (18, 11638280), (20, 10474452), (24, 8728710), (29, 7223760), (30, 6982968), (36, 5819140), (40, 5237226), (45, 4655312), (48, 4364355), (58, 3611880), (60, 3491484), (72, 2909570), (79, 2651760), (80, 2618613), (87, 2407920), (90, 2327656), (116, 1805940), (120, 1745742), (127, 1649520), (144, 1454785), (145, 1444752), (158, 1325880), (174, 1203960), (180, 1163828), (232, 902970), (237, 883920), (240, 872871), (254, 824760), (261, 802640), (290, 722376), (316, 662940), (348, 601980), (360, 581914), (381, 549840), (395, 530352), (435, 481584), (464, 451485), (474, 441960), (508, 412380), (522, 401320), (580, 361188), (632, 331470), (635, 329904), (696, 300990), (711, 294640), (720, 290957), (762, 274920), (790, 265176), (870, 240792), (948, 220980), (1016, 206190), (1044, 200660), (1143, 183280), (1160, 180594), (1185, 176784), (1264, 165735), (1270, 164952), (1305, 160528), (1392, 150495), (1422, 147320), (1524, 137460), (1580, 132588), (1740, 120396), (1896, 110490), (1905, 109968), (2032, 103095), (2088, 100330), (2286, 91640), (2291, 91440), (2320, 90297), (2370, 88392), (2540, 82476), (2610, 80264), (2844, 73660), (3048, 68730), (3160, 66294), (3480, 60198), (3555, 58928), (3683, 56880), (3792, 55245), (3810, 54984), (4176, 50165), (4572, 45820), (4582, 45720), (4740, 44196), (5080, 41238), (5220, 40132), (5688, 36830), (5715, 36656), (6096, 34365), (6320, 33147), (6873, 30480), (6960, 30099), (7110, 29464), (7366, 28440), (7620, 27492), (9144, 22910), (9164, 22860), (9480, 22098), (10033, 20880), (10160, 20619), (10440, 20066), (11049, 18960), (11376, 18415), (11430, 18328), (11455, 18288), (13746, 15240), (14220, 14732)]