64776140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 144

約数和(自身を含む): 168920640

約数和(自身を除く): 104144500

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 29, 44, 52, 55, 58, 65, 71, 110, 116, 121, 130, 142, 143, 145, 220, 242, 260, 284, 286, 290, 319, 355, 377, 484, 572, 580, 605, 638, 710, 715, 754, 781, 923, 1210, 1276, 1420, 1430, 1508, 1562, 1573, 1595, 1846, 1885, 2059, 2420, 2860, 3124, 3146, 3190, 3509, 3692, 3770, 3905, 4118, 4147, 4615, 6292, 6380, 7018, 7540, 7810, 7865, 8236, 8294, 8591, 9230, 10153, 10295, 14036, 15620, 15730, 16588, 17182, 17545, 18460, 20306, 20590, 20735, 22649, 26767, 31460, 34364, 35090, 40612, 41180, 41470, 42955, 45298, 45617, 50765, 53534, 70180, 82940, 85910, 90596, 91234, 101530, 107068, 111683, 113245, 133835, 171820, 182468, 203060, 223366, 226490, 228085, 249139, 267670, 294437, 446732, 452980, 456170, 498278, 535340, 558415, 588874, 912340, 996556, 1116830, 1177748, 1245695, 1472185, 2233660, 2491390, 2944370, 3238807, 4982780, 5888740, 6477614, 12955228, 16194035, 32388070, 64776140]

約数ペア:

[(1, 64776140), (2, 32388070), (4, 16194035), (5, 12955228), (10, 6477614), (11, 5888740), (13, 4982780), (20, 3238807), (22, 2944370), (26, 2491390), (29, 2233660), (44, 1472185), (52, 1245695), (55, 1177748), (58, 1116830), (65, 996556), (71, 912340), (110, 588874), (116, 558415), (121, 535340), (130, 498278), (142, 456170), (143, 452980), (145, 446732), (220, 294437), (242, 267670), (260, 249139), (284, 228085), (286, 226490), (290, 223366), (319, 203060), (355, 182468), (377, 171820), (484, 133835), (572, 113245), (580, 111683), (605, 107068), (638, 101530), (710, 91234), (715, 90596), (754, 85910), (781, 82940), (923, 70180), (1210, 53534), (1276, 50765), (1420, 45617), (1430, 45298), (1508, 42955), (1562, 41470), (1573, 41180), (1595, 40612), (1846, 35090), (1885, 34364), (2059, 31460), (2420, 26767), (2860, 22649), (3124, 20735), (3146, 20590), (3190, 20306), (3509, 18460), (3692, 17545), (3770, 17182), (3905, 16588), (4118, 15730), (4147, 15620), (4615, 14036), (6292, 10295), (6380, 10153), (7018, 9230), (7540, 8591), (7810, 8294), (7865, 8236)]