67708780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 159989760

約数和(自身を除く): 92280980

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 61, 76, 92, 95, 115, 122, 127, 190, 230, 244, 254, 305, 380, 437, 460, 508, 610, 635, 874, 1159, 1220, 1270, 1403, 1748, 2185, 2318, 2413, 2540, 2806, 2921, 4370, 4636, 4826, 5612, 5795, 5842, 7015, 7747, 8740, 9652, 11590, 11684, 12065, 14030, 14605, 15494, 23180, 24130, 26657, 28060, 29210, 30988, 38735, 48260, 53314, 55499, 58420, 77470, 106628, 110998, 133285, 147193, 154940, 178181, 221996, 266570, 277495, 294386, 356362, 533140, 554990, 588772, 712724, 735965, 890905, 1109980, 1471930, 1781810, 2943860, 3385439, 3563620, 6770878, 13541756, 16927195, 33854390, 67708780]

約数ペア:

[(1, 67708780), (2, 33854390), (4, 16927195), (5, 13541756), (10, 6770878), (19, 3563620), (20, 3385439), (23, 2943860), (38, 1781810), (46, 1471930), (61, 1109980), (76, 890905), (92, 735965), (95, 712724), (115, 588772), (122, 554990), (127, 533140), (190, 356362), (230, 294386), (244, 277495), (254, 266570), (305, 221996), (380, 178181), (437, 154940), (460, 147193), (508, 133285), (610, 110998), (635, 106628), (874, 77470), (1159, 58420), (1220, 55499), (1270, 53314), (1403, 48260), (1748, 38735), (2185, 30988), (2318, 29210), (2413, 28060), (2540, 26657), (2806, 24130), (2921, 23180), (4370, 15494), (4636, 14605), (4826, 14030), (5612, 12065), (5795, 11684), (5842, 11590), (7015, 9652), (7747, 8740)]