80792140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 209182176

約数和(自身を除く): 128390036

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 41, 44, 52, 53, 55, 65, 82, 106, 110, 130, 143, 164, 169, 205, 212, 220, 260, 265, 286, 338, 410, 451, 530, 533, 572, 583, 676, 689, 715, 820, 845, 902, 1060, 1066, 1166, 1378, 1430, 1690, 1804, 1859, 2132, 2173, 2255, 2332, 2665, 2756, 2860, 2915, 3380, 3445, 3718, 4346, 4510, 5330, 5830, 5863, 6890, 6929, 7436, 7579, 8692, 8957, 9020, 9295, 10660, 10865, 11660, 11726, 13780, 13858, 15158, 17914, 18590, 21730, 23452, 23903, 27716, 28249, 29315, 30316, 34645, 35828, 37180, 37895, 43460, 44785, 47806, 56498, 58630, 69290, 75790, 76219, 89570, 95612, 98527, 112996, 117260, 119515, 138580, 141245, 151580, 152438, 179140, 197054, 239030, 282490, 304876, 310739, 367237, 381095, 394108, 478060, 492635, 564980, 621478, 734474, 762190, 985270, 1242956, 1468948, 1524380, 1553695, 1836185, 1970540, 3107390, 3672370, 4039607, 6214780, 7344740, 8079214, 16158428, 20198035, 40396070, 80792140]

約数ペア:

[(1, 80792140), (2, 40396070), (4, 20198035), (5, 16158428), (10, 8079214), (11, 7344740), (13, 6214780), (20, 4039607), (22, 3672370), (26, 3107390), (41, 1970540), (44, 1836185), (52, 1553695), (53, 1524380), (55, 1468948), (65, 1242956), (82, 985270), (106, 762190), (110, 734474), (130, 621478), (143, 564980), (164, 492635), (169, 478060), (205, 394108), (212, 381095), (220, 367237), (260, 310739), (265, 304876), (286, 282490), (338, 239030), (410, 197054), (451, 179140), (530, 152438), (533, 151580), (572, 141245), (583, 138580), (676, 119515), (689, 117260), (715, 112996), (820, 98527), (845, 95612), (902, 89570), (1060, 76219), (1066, 75790), (1166, 69290), (1378, 58630), (1430, 56498), (1690, 47806), (1804, 44785), (1859, 43460), (2132, 37895), (2173, 37180), (2255, 35828), (2332, 34645), (2665, 30316), (2756, 29315), (2860, 28249), (2915, 27716), (3380, 23903), (3445, 23452), (3718, 21730), (4346, 18590), (4510, 17914), (5330, 15158), (5830, 13858), (5863, 13780), (6890, 11726), (6929, 11660), (7436, 10865), (7579, 10660), (8692, 9295), (8957, 9020)]