1887863940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{1709}}^1$

素因数の和:1779

約数の個数: 216

約数和(自身を含む): 6403040280

約数和(自身を除く): 4515176340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 361, 380, 510, 570, 612, 646, 684, 722, 765, 855, 969, 1020, 1083, 1140, 1292, 1444, 1530, 1615, 1709, 1710, 1805, 1938, 2166, 2907, 3060, 3230, 3249, 3418, 3420, 3610, 3876, 4332, 4845, 5127, 5415, 5814, 6137, 6460, 6498, 6836, 7220, 8545, 9690, 10254, 10830, 11628, 12274, 12996, 14535, 15381, 16245, 17090, 18411, 19380, 20508, 21660, 24548, 25635, 29053, 29070, 30685, 30762, 32471, 32490, 34180, 36822, 51270, 55233, 58106, 58140, 61370, 61524, 64942, 64980, 73644, 76905, 87159, 92055, 97413, 102540, 110466, 116212, 122740, 129884, 145265, 153810, 162355, 174318, 184110, 194826, 220932, 261477, 276165, 290530, 292239, 307620, 324710, 348636, 368220, 389652, 435795, 487065, 522954, 552007, 552330, 581060, 584478, 616949, 649420, 871590, 974130, 1045908, 1104014, 1104660, 1168956, 1233898, 1307385, 1461195, 1656021, 1743180, 1850847, 1948260, 2208028, 2467796, 2614770, 2760035, 2922390, 3084745, 3312042, 3701694, 4968063, 5229540, 5520070, 5552541, 5844780, 6169490, 6624084, 7403388, 8280105, 9254235, 9936126, 10488133, 11040140, 11105082, 12338980, 16560210, 18508470, 19872252, 20976266, 22210164, 24840315, 27762705, 31464399, 33120420, 37016940, 41952532, 49680630, 52440665, 55525410, 62928798, 94393197, 99361260, 104881330, 111050820, 125857596, 157321995, 188786394, 209762660, 314643990, 377572788, 471965985, 629287980, 943931970, 1887863940]

約数ペア:

[(1, 1887863940), (2, 943931970), (3, 629287980), (4, 471965985), (5, 377572788), (6, 314643990), (9, 209762660), (10, 188786394), (12, 157321995), (15, 125857596), (17, 111050820), (18, 104881330), (19, 99361260), (20, 94393197), (30, 62928798), (34, 55525410), (36, 52440665), (38, 49680630), (45, 41952532), (51, 37016940), (57, 33120420), (60, 31464399), (68, 27762705), (76, 24840315), (85, 22210164), (90, 20976266), (95, 19872252), (102, 18508470), (114, 16560210), (153, 12338980), (170, 11105082), (171, 11040140), (180, 10488133), (190, 9936126), (204, 9254235), (228, 8280105), (255, 7403388), (285, 6624084), (306, 6169490), (323, 5844780), (340, 5552541), (342, 5520070), (361, 5229540), (380, 4968063), (510, 3701694), (570, 3312042), (612, 3084745), (646, 2922390), (684, 2760035), (722, 2614770), (765, 2467796), (855, 2208028), (969, 1948260), (1020, 1850847), (1083, 1743180), (1140, 1656021), (1292, 1461195), (1444, 1307385), (1530, 1233898), (1615, 1168956), (1709, 1104660), (1710, 1104014), (1805, 1045908), (1938, 974130), (2166, 871590), (2907, 649420), (3060, 616949), (3230, 584478), (3249, 581060), (3418, 552330), (3420, 552007), (3610, 522954), (3876, 487065), (4332, 435795), (4845, 389652), (5127, 368220), (5415, 348636), (5814, 324710), (6137, 307620), (6460, 292239), (6498, 290530), (6836, 276165), (7220, 261477), (8545, 220932), (9690, 194826), (10254, 184110), (10830, 174318), (11628, 162355), (12274, 153810), (12996, 145265), (14535, 129884), (15381, 122740), (16245, 116212), (17090, 110466), (18411, 102540), (19380, 97413), (20508, 92055), (21660, 87159), (24548, 76905), (25635, 73644), (29053, 64980), (29070, 64942), (30685, 61524), (30762, 61370), (32471, 58140), (32490, 58106), (34180, 55233), (36822, 51270)]