128486340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:442

約数の個数: 144

約数和(自身を含む): 416707200

約数和(自身を除く): 288220860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 199, 204, 211, 255, 306, 340, 398, 422, 510, 597, 612, 633, 765, 796, 844, 995, 1020, 1055, 1194, 1266, 1530, 1791, 1899, 1990, 2110, 2388, 2532, 2985, 3060, 3165, 3383, 3582, 3587, 3798, 3980, 4220, 5970, 6330, 6766, 7164, 7174, 7596, 8955, 9495, 10149, 10761, 11940, 12660, 13532, 14348, 16915, 17910, 17935, 18990, 20298, 21522, 30447, 32283, 33830, 35820, 35870, 37980, 40596, 41989, 43044, 50745, 53805, 60894, 64566, 67660, 71740, 83978, 101490, 107610, 121788, 125967, 129132, 152235, 161415, 167956, 202980, 209945, 215220, 251934, 304470, 322830, 377901, 419890, 503868, 608940, 629835, 645660, 713813, 755802, 839780, 1259670, 1427626, 1511604, 1889505, 2141439, 2519340, 2855252, 3569065, 3779010, 4282878, 6424317, 7138130, 7558020, 8565756, 10707195, 12848634, 14276260, 21414390, 25697268, 32121585, 42828780, 64243170, 128486340]

約数ペア:

[(1, 128486340), (2, 64243170), (3, 42828780), (4, 32121585), (5, 25697268), (6, 21414390), (9, 14276260), (10, 12848634), (12, 10707195), (15, 8565756), (17, 7558020), (18, 7138130), (20, 6424317), (30, 4282878), (34, 3779010), (36, 3569065), (45, 2855252), (51, 2519340), (60, 2141439), (68, 1889505), (85, 1511604), (90, 1427626), (102, 1259670), (153, 839780), (170, 755802), (180, 713813), (199, 645660), (204, 629835), (211, 608940), (255, 503868), (306, 419890), (340, 377901), (398, 322830), (422, 304470), (510, 251934), (597, 215220), (612, 209945), (633, 202980), (765, 167956), (796, 161415), (844, 152235), (995, 129132), (1020, 125967), (1055, 121788), (1194, 107610), (1266, 101490), (1530, 83978), (1791, 71740), (1899, 67660), (1990, 64566), (2110, 60894), (2388, 53805), (2532, 50745), (2985, 43044), (3060, 41989), (3165, 40596), (3383, 37980), (3582, 35870), (3587, 35820), (3798, 33830), (3980, 32283), (4220, 30447), (5970, 21522), (6330, 20298), (6766, 18990), (7164, 17935), (7174, 17910), (7596, 16915), (8955, 14348), (9495, 13532), (10149, 12660), (10761, 11940)]