84872070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:291

約数の個数: 128

約数和(自身を含む): 240537600

約数和(自身を除く): 155665530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 79, 90, 115, 135, 138, 158, 173, 207, 230, 237, 270, 345, 346, 395, 414, 474, 519, 621, 690, 711, 790, 865, 1035, 1038, 1185, 1242, 1422, 1557, 1730, 1817, 2070, 2133, 2370, 2595, 3105, 3114, 3555, 3634, 3979, 4266, 4671, 5190, 5451, 6210, 7110, 7785, 7958, 9085, 9342, 10665, 10902, 11937, 13667, 15570, 16353, 18170, 19895, 21330, 23355, 23874, 27255, 27334, 32706, 35811, 39790, 41001, 46710, 49059, 54510, 59685, 68335, 71622, 81765, 82002, 98118, 107433, 119370, 123003, 136670, 163530, 179055, 205005, 214866, 245295, 246006, 314341, 358110, 369009, 410010, 490590, 537165, 615015, 628682, 738018, 943023, 1074330, 1230030, 1571705, 1845045, 1886046, 2829069, 3143410, 3690090, 4715115, 5658138, 8487207, 9430230, 14145345, 16974414, 28290690, 42436035, 84872070]

約数ペア:

[(1, 84872070), (2, 42436035), (3, 28290690), (5, 16974414), (6, 14145345), (9, 9430230), (10, 8487207), (15, 5658138), (18, 4715115), (23, 3690090), (27, 3143410), (30, 2829069), (45, 1886046), (46, 1845045), (54, 1571705), (69, 1230030), (79, 1074330), (90, 943023), (115, 738018), (135, 628682), (138, 615015), (158, 537165), (173, 490590), (207, 410010), (230, 369009), (237, 358110), (270, 314341), (345, 246006), (346, 245295), (395, 214866), (414, 205005), (474, 179055), (519, 163530), (621, 136670), (690, 123003), (711, 119370), (790, 107433), (865, 98118), (1035, 82002), (1038, 81765), (1185, 71622), (1242, 68335), (1422, 59685), (1557, 54510), (1730, 49059), (1817, 46710), (2070, 41001), (2133, 39790), (2370, 35811), (2595, 32706), (3105, 27334), (3114, 27255), (3555, 23874), (3634, 23355), (3979, 21330), (4266, 19895), (4671, 18170), (5190, 16353), (5451, 15570), (6210, 13667), (7110, 11937), (7785, 10902), (7958, 10665), (9085, 9342)]