920392480

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{541}}^1$

素因数の和:608

約数の個数: 192

約数和(自身を含む): 2622412800

約数和(自身を除く): 1702020320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 160, 196, 217, 224, 245, 248, 280, 310, 343, 392, 434, 490, 496, 541, 560, 620, 686, 784, 868, 980, 992, 1082, 1085, 1120, 1240, 1372, 1519, 1568, 1715, 1736, 1960, 2164, 2170, 2480, 2705, 2744, 3038, 3430, 3472, 3787, 3920, 4328, 4340, 4960, 5410, 5488, 6076, 6860, 6944, 7574, 7595, 7840, 8656, 8680, 10633, 10820, 10976, 12152, 13720, 15148, 15190, 16771, 17312, 17360, 18935, 21266, 21640, 24304, 26509, 27440, 30296, 30380, 33542, 34720, 37870, 42532, 43280, 48608, 53018, 53165, 54880, 60592, 60760, 67084, 75740, 83855, 85064, 86560, 106036, 106330, 117397, 121184, 121520, 132545, 134168, 151480, 167710, 170128, 185563, 212072, 212660, 234794, 243040, 265090, 268336, 302960, 335420, 340256, 371126, 424144, 425320, 469588, 530180, 536672, 586985, 605920, 670840, 742252, 821779, 848288, 850640, 927815, 939176, 1060360, 1173970, 1341680, 1484504, 1643558, 1701280, 1855630, 1878352, 2120720, 2347940, 2683360, 2969008, 3287116, 3711260, 3756704, 4108895, 4241440, 4695880, 5752453, 5938016, 6574232, 7422520, 8217790, 9391760, 11504906, 13148464, 14845040, 16435580, 18783520, 23009812, 26296928, 28762265, 29690080, 32871160, 46019624, 57524530, 65742320, 92039248, 115049060, 131484640, 184078496, 230098120, 460196240, 920392480]

約数ペア:

[(1, 920392480), (2, 460196240), (4, 230098120), (5, 184078496), (7, 131484640), (8, 115049060), (10, 92039248), (14, 65742320), (16, 57524530), (20, 46019624), (28, 32871160), (31, 29690080), (32, 28762265), (35, 26296928), (40, 23009812), (49, 18783520), (56, 16435580), (62, 14845040), (70, 13148464), (80, 11504906), (98, 9391760), (112, 8217790), (124, 7422520), (140, 6574232), (155, 5938016), (160, 5752453), (196, 4695880), (217, 4241440), (224, 4108895), (245, 3756704), (248, 3711260), (280, 3287116), (310, 2969008), (343, 2683360), (392, 2347940), (434, 2120720), (490, 1878352), (496, 1855630), (541, 1701280), (560, 1643558), (620, 1484504), (686, 1341680), (784, 1173970), (868, 1060360), (980, 939176), (992, 927815), (1082, 850640), (1085, 848288), (1120, 821779), (1240, 742252), (1372, 670840), (1519, 605920), (1568, 586985), (1715, 536672), (1736, 530180), (1960, 469588), (2164, 425320), (2170, 424144), (2480, 371126), (2705, 340256), (2744, 335420), (3038, 302960), (3430, 268336), (3472, 265090), (3787, 243040), (3920, 234794), (4328, 212660), (4340, 212072), (4960, 185563), (5410, 170128), (5488, 167710), (6076, 151480), (6860, 134168), (6944, 132545), (7574, 121520), (7595, 121184), (7840, 117397), (8656, 106330), (8680, 106036), (10633, 86560), (10820, 85064), (10976, 83855), (12152, 75740), (13720, 67084), (15148, 60760), (15190, 60592), (16771, 54880), (17312, 53165), (17360, 53018), (18935, 48608), (21266, 43280), (21640, 42532), (24304, 37870), (26509, 34720), (27440, 33542), (30296, 30380)]