865440180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2749}}^1$

素因数の和:2831

約数の個数: 192

約数和(自身を含む): 2993760000

約数和(自身を除く): 2128319820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 53, 54, 55, 60, 66, 90, 99, 106, 108, 110, 132, 135, 159, 165, 180, 198, 212, 220, 265, 270, 297, 318, 330, 396, 477, 495, 530, 540, 583, 594, 636, 660, 795, 954, 990, 1060, 1166, 1188, 1431, 1485, 1590, 1749, 1908, 1980, 2332, 2385, 2749, 2862, 2915, 2970, 3180, 3498, 4770, 5247, 5498, 5724, 5830, 5940, 6996, 7155, 8247, 8745, 9540, 10494, 10996, 11660, 13745, 14310, 15741, 16494, 17490, 20988, 24741, 26235, 27490, 28620, 30239, 31482, 32988, 34980, 41235, 49482, 52470, 54980, 60478, 62964, 74223, 78705, 82470, 90717, 98964, 104940, 120956, 123705, 145697, 148446, 151195, 157410, 164940, 181434, 247410, 272151, 291394, 296892, 302390, 314820, 362868, 371115, 437091, 453585, 494820, 544302, 582788, 604780, 728485, 742230, 816453, 874182, 907170, 1088604, 1311273, 1360755, 1456970, 1484460, 1602667, 1632906, 1748364, 1814340, 2185455, 2622546, 2721510, 2913940, 3205334, 3265812, 3933819, 4082265, 4370910, 4808001, 5245092, 5443020, 6410668, 6556365, 7867638, 8013335, 8164530, 8741820, 9616002, 13112730, 14424003, 15735276, 16026670, 16329060, 19232004, 19669095, 24040005, 26225460, 28848006, 32053340, 39338190, 43272009, 48080010, 57696012, 72120015, 78676380, 86544018, 96160020, 144240030, 173088036, 216360045, 288480060, 432720090, 865440180]

約数ペア:

[(1, 865440180), (2, 432720090), (3, 288480060), (4, 216360045), (5, 173088036), (6, 144240030), (9, 96160020), (10, 86544018), (11, 78676380), (12, 72120015), (15, 57696012), (18, 48080010), (20, 43272009), (22, 39338190), (27, 32053340), (30, 28848006), (33, 26225460), (36, 24040005), (44, 19669095), (45, 19232004), (53, 16329060), (54, 16026670), (55, 15735276), (60, 14424003), (66, 13112730), (90, 9616002), (99, 8741820), (106, 8164530), (108, 8013335), (110, 7867638), (132, 6556365), (135, 6410668), (159, 5443020), (165, 5245092), (180, 4808001), (198, 4370910), (212, 4082265), (220, 3933819), (265, 3265812), (270, 3205334), (297, 2913940), (318, 2721510), (330, 2622546), (396, 2185455), (477, 1814340), (495, 1748364), (530, 1632906), (540, 1602667), (583, 1484460), (594, 1456970), (636, 1360755), (660, 1311273), (795, 1088604), (954, 907170), (990, 874182), (1060, 816453), (1166, 742230), (1188, 728485), (1431, 604780), (1485, 582788), (1590, 544302), (1749, 494820), (1908, 453585), (1980, 437091), (2332, 371115), (2385, 362868), (2749, 314820), (2862, 302390), (2915, 296892), (2970, 291394), (3180, 272151), (3498, 247410), (4770, 181434), (5247, 164940), (5498, 157410), (5724, 151195), (5830, 148446), (5940, 145697), (6996, 123705), (7155, 120956), (8247, 104940), (8745, 98964), (9540, 90717), (10494, 82470), (10996, 78705), (11660, 74223), (13745, 62964), (14310, 60478), (15741, 54980), (16494, 52470), (17490, 49482), (20988, 41235), (24741, 34980), (26235, 32988), (27490, 31482), (28620, 30239)]