21988579680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{7867}}^1$

素因数の和:8538

約数の個数: 192

約数和(自身を含む): 77088775680

約数和(自身を除く): 55100196000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 647, 720, 864, 1080, 1294, 1440, 1941, 2160, 2588, 3235, 3882, 4320, 5176, 5823, 6470, 7764, 7867, 9705, 10352, 11646, 12940, 15528, 15734, 17469, 19410, 20704, 23292, 23601, 25880, 29115, 31056, 31468, 34938, 38820, 39335, 46584, 47202, 51760, 58230, 62112, 62936, 69876, 70803, 77640, 78670, 87345, 93168, 94404, 103520, 116460, 118005, 125872, 139752, 141606, 155280, 157340, 174690, 186336, 188808, 212409, 232920, 236010, 251744, 279504, 283212, 310560, 314680, 349380, 354015, 377616, 424818, 465840, 472020, 559008, 566424, 629360, 698760, 708030, 755232, 849636, 931680, 944040, 1062045, 1132848, 1258720, 1397520, 1416060, 1699272, 1888080, 2124090, 2265696, 2795040, 2832120, 3398544, 3776160, 4248180, 5089949, 5664240, 6797088, 8496360, 10179898, 11328480, 15269847, 16992720, 20359796, 25449745, 30539694, 33985440, 40719592, 45809541, 50899490, 61079388, 76349235, 81439184, 91619082, 101798980, 122158776, 137428623, 152698470, 162878368, 183238164, 203597960, 229047705, 244317552, 274857246, 305396940, 366476328, 407195920, 458095410, 488635104, 549714492, 610793880, 687143115, 732952656, 814391840, 916190820, 1099428984, 1221587760, 1374286230, 1465905312, 1832381640, 2198857968, 2443175520, 2748572460, 3664763280, 4397715936, 5497144920, 7329526560, 10994289840, 21988579680]

約数ペア:

[(1, 21988579680), (2, 10994289840), (3, 7329526560), (4, 5497144920), (5, 4397715936), (6, 3664763280), (8, 2748572460), (9, 2443175520), (10, 2198857968), (12, 1832381640), (15, 1465905312), (16, 1374286230), (18, 1221587760), (20, 1099428984), (24, 916190820), (27, 814391840), (30, 732952656), (32, 687143115), (36, 610793880), (40, 549714492), (45, 488635104), (48, 458095410), (54, 407195920), (60, 366476328), (72, 305396940), (80, 274857246), (90, 244317552), (96, 229047705), (108, 203597960), (120, 183238164), (135, 162878368), (144, 152698470), (160, 137428623), (180, 122158776), (216, 101798980), (240, 91619082), (270, 81439184), (288, 76349235), (360, 61079388), (432, 50899490), (480, 45809541), (540, 40719592), (647, 33985440), (720, 30539694), (864, 25449745), (1080, 20359796), (1294, 16992720), (1440, 15269847), (1941, 11328480), (2160, 10179898), (2588, 8496360), (3235, 6797088), (3882, 5664240), (4320, 5089949), (5176, 4248180), (5823, 3776160), (6470, 3398544), (7764, 2832120), (7867, 2795040), (9705, 2265696), (10352, 2124090), (11646, 1888080), (12940, 1699272), (15528, 1416060), (15734, 1397520), (17469, 1258720), (19410, 1132848), (20704, 1062045), (23292, 944040), (23601, 931680), (25880, 849636), (29115, 755232), (31056, 708030), (31468, 698760), (34938, 629360), (38820, 566424), (39335, 559008), (46584, 472020), (47202, 465840), (51760, 424818), (58230, 377616), (62112, 354015), (62936, 349380), (69876, 314680), (70803, 310560), (77640, 283212), (78670, 279504), (87345, 251744), (93168, 236010), (94404, 232920), (103520, 212409), (116460, 188808), (118005, 186336), (125872, 174690), (139752, 157340), (141606, 155280)]