661663008

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2087

約数の個数: 144

約数和(自身を含む): 1995791616

約数和(自身を除く): 1334128608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 72, 74, 93, 96, 111, 124, 144, 148, 186, 222, 248, 279, 288, 296, 333, 372, 444, 496, 558, 592, 666, 744, 888, 992, 1116, 1147, 1184, 1332, 1488, 1776, 2003, 2232, 2294, 2664, 2976, 3441, 3552, 4006, 4464, 4588, 5328, 6009, 6882, 8012, 8928, 9176, 10323, 10656, 12018, 13764, 16024, 18027, 18352, 20646, 24036, 27528, 32048, 36054, 36704, 41292, 48072, 55056, 62093, 64096, 72108, 74111, 82584, 96144, 110112, 124186, 144216, 148222, 165168, 186279, 192288, 222333, 248372, 288432, 296444, 330336, 372558, 444666, 496744, 558837, 576864, 592888, 666999, 745116, 889332, 993488, 1117674, 1185776, 1333998, 1490232, 1778664, 1986976, 2235348, 2297441, 2371552, 2667996, 2980464, 3557328, 4470696, 4594882, 5335992, 5960928, 6892323, 7114656, 8941392, 9189764, 10671984, 13784646, 17882784, 18379528, 20676969, 21343968, 27569292, 36759056, 41353938, 55138584, 73518112, 82707876, 110277168, 165415752, 220554336, 330831504, 661663008]

約数ペア:

[(1, 661663008), (2, 330831504), (3, 220554336), (4, 165415752), (6, 110277168), (8, 82707876), (9, 73518112), (12, 55138584), (16, 41353938), (18, 36759056), (24, 27569292), (31, 21343968), (32, 20676969), (36, 18379528), (37, 17882784), (48, 13784646), (62, 10671984), (72, 9189764), (74, 8941392), (93, 7114656), (96, 6892323), (111, 5960928), (124, 5335992), (144, 4594882), (148, 4470696), (186, 3557328), (222, 2980464), (248, 2667996), (279, 2371552), (288, 2297441), (296, 2235348), (333, 1986976), (372, 1778664), (444, 1490232), (496, 1333998), (558, 1185776), (592, 1117674), (666, 993488), (744, 889332), (888, 745116), (992, 666999), (1116, 592888), (1147, 576864), (1184, 558837), (1332, 496744), (1488, 444666), (1776, 372558), (2003, 330336), (2232, 296444), (2294, 288432), (2664, 248372), (2976, 222333), (3441, 192288), (3552, 186279), (4006, 165168), (4464, 148222), (4588, 144216), (5328, 124186), (6009, 110112), (6882, 96144), (8012, 82584), (8928, 74111), (9176, 72108), (10323, 64096), (10656, 62093), (12018, 55056), (13764, 48072), (16024, 41292), (18027, 36704), (18352, 36054), (20646, 32048), (24036, 27528)]