121647920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3889}}^1$

素因数の和:3942

約数の個数: 80

約数和(自身を含む): 312569280

約数和(自身を除く): 190921360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3889, 3910, 6256, 7778, 7820, 15556, 15640, 19445, 31112, 31280, 38890, 62224, 66113, 77780, 89447, 132226, 155560, 178894, 264452, 311120, 330565, 357788, 447235, 528904, 661130, 715576, 894470, 1057808, 1322260, 1431152, 1520599, 1788940, 2644520, 3041198, 3577880, 5289040, 6082396, 7155760, 7602995, 12164792, 15205990, 24329584, 30411980, 60823960, 121647920]

約数ペア:

[(1, 121647920), (2, 60823960), (4, 30411980), (5, 24329584), (8, 15205990), (10, 12164792), (16, 7602995), (17, 7155760), (20, 6082396), (23, 5289040), (34, 3577880), (40, 3041198), (46, 2644520), (68, 1788940), (80, 1520599), (85, 1431152), (92, 1322260), (115, 1057808), (136, 894470), (170, 715576), (184, 661130), (230, 528904), (272, 447235), (340, 357788), (368, 330565), (391, 311120), (460, 264452), (680, 178894), (782, 155560), (920, 132226), (1360, 89447), (1564, 77780), (1840, 66113), (1955, 62224), (3128, 38890), (3889, 31280), (3910, 31112), (6256, 19445), (7778, 15640), (7820, 15556)]