27439920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1657}}^1$

素因数の和:1699

約数の個数: 120

約数和(自身を含む): 96217056

約数和(自身を除く): 68777136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1657, 1840, 2070, 2760, 3312, 3314, 4140, 4971, 5520, 6628, 8280, 8285, 9942, 13256, 14913, 16560, 16570, 19884, 24855, 26512, 29826, 33140, 38111, 39768, 49710, 59652, 66280, 74565, 76222, 79536, 99420, 114333, 119304, 132560, 149130, 152444, 190555, 198840, 228666, 238608, 298260, 304888, 342999, 381110, 397680, 457332, 571665, 596520, 609776, 685998, 762220, 914664, 1143330, 1193040, 1371996, 1524440, 1714995, 1829328, 2286660, 2743992, 3048880, 3429990, 4573320, 5487984, 6859980, 9146640, 13719960, 27439920]

約数ペア:

[(1, 27439920), (2, 13719960), (3, 9146640), (4, 6859980), (5, 5487984), (6, 4573320), (8, 3429990), (9, 3048880), (10, 2743992), (12, 2286660), (15, 1829328), (16, 1714995), (18, 1524440), (20, 1371996), (23, 1193040), (24, 1143330), (30, 914664), (36, 762220), (40, 685998), (45, 609776), (46, 596520), (48, 571665), (60, 457332), (69, 397680), (72, 381110), (80, 342999), (90, 304888), (92, 298260), (115, 238608), (120, 228666), (138, 198840), (144, 190555), (180, 152444), (184, 149130), (207, 132560), (230, 119304), (240, 114333), (276, 99420), (345, 79536), (360, 76222), (368, 74565), (414, 66280), (460, 59652), (552, 49710), (690, 39768), (720, 38111), (828, 33140), (920, 29826), (1035, 26512), (1104, 24855), (1380, 19884), (1656, 16570), (1657, 16560), (1840, 14913), (2070, 13256), (2760, 9942), (3312, 8285), (3314, 8280), (4140, 6628), (4971, 5520)]