64227870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1999}}^1$

素因数の和:2039

約数の個数: 128

約数和(自身を含む): 207360000

約数和(自身を除く): 143132130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 17, 18, 21, 27, 30, 34, 35, 42, 45, 51, 54, 63, 70, 85, 90, 102, 105, 119, 126, 135, 153, 170, 189, 210, 238, 255, 270, 306, 315, 357, 378, 459, 510, 595, 630, 714, 765, 918, 945, 1071, 1190, 1530, 1785, 1890, 1999, 2142, 2295, 3213, 3570, 3998, 4590, 5355, 5997, 6426, 9995, 10710, 11994, 13993, 16065, 17991, 19990, 27986, 29985, 32130, 33983, 35982, 41979, 53973, 59970, 67966, 69965, 83958, 89955, 101949, 107946, 125937, 139930, 169915, 179910, 203898, 209895, 237881, 251874, 269865, 305847, 339830, 377811, 419790, 475762, 509745, 539730, 611694, 629685, 713643, 755622, 917541, 1019490, 1189405, 1259370, 1427286, 1529235, 1835082, 1889055, 2140929, 2378810, 3058470, 3568215, 3778110, 4281858, 4587705, 6422787, 7136430, 9175410, 10704645, 12845574, 21409290, 32113935, 64227870]

約数ペア:

[(1, 64227870), (2, 32113935), (3, 21409290), (5, 12845574), (6, 10704645), (7, 9175410), (9, 7136430), (10, 6422787), (14, 4587705), (15, 4281858), (17, 3778110), (18, 3568215), (21, 3058470), (27, 2378810), (30, 2140929), (34, 1889055), (35, 1835082), (42, 1529235), (45, 1427286), (51, 1259370), (54, 1189405), (63, 1019490), (70, 917541), (85, 755622), (90, 713643), (102, 629685), (105, 611694), (119, 539730), (126, 509745), (135, 475762), (153, 419790), (170, 377811), (189, 339830), (210, 305847), (238, 269865), (255, 251874), (270, 237881), (306, 209895), (315, 203898), (357, 179910), (378, 169915), (459, 139930), (510, 125937), (595, 107946), (630, 101949), (714, 89955), (765, 83958), (918, 69965), (945, 67966), (1071, 59970), (1190, 53973), (1530, 41979), (1785, 35982), (1890, 33983), (1999, 32130), (2142, 29985), (2295, 27986), (3213, 19990), (3570, 17991), (3998, 16065), (4590, 13993), (5355, 11994), (5997, 10710), (6426, 9995)]