80722620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 144

約数和(自身を含む): 272039040

約数和(自身を除く): 191316420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 59, 60, 66, 90, 99, 110, 118, 132, 165, 177, 180, 198, 220, 236, 295, 330, 354, 396, 495, 531, 590, 649, 660, 691, 708, 885, 990, 1062, 1180, 1298, 1382, 1770, 1947, 1980, 2073, 2124, 2596, 2655, 2764, 3245, 3455, 3540, 3894, 4146, 5310, 5841, 6219, 6490, 6910, 7601, 7788, 8292, 9735, 10365, 10620, 11682, 12438, 12980, 13820, 15202, 19470, 20730, 22803, 23364, 24876, 29205, 30404, 31095, 38005, 38940, 40769, 41460, 45606, 58410, 62190, 68409, 76010, 81538, 91212, 114015, 116820, 122307, 124380, 136818, 152020, 163076, 203845, 228030, 244614, 273636, 342045, 366921, 407690, 448459, 456060, 489228, 611535, 684090, 733842, 815380, 896918, 1223070, 1345377, 1368180, 1467684, 1793836, 1834605, 2242295, 2446140, 2690754, 3669210, 4036131, 4484590, 5381508, 6726885, 7338420, 8072262, 8969180, 13453770, 16144524, 20180655, 26907540, 40361310, 80722620]

約数ペア:

[(1, 80722620), (2, 40361310), (3, 26907540), (4, 20180655), (5, 16144524), (6, 13453770), (9, 8969180), (10, 8072262), (11, 7338420), (12, 6726885), (15, 5381508), (18, 4484590), (20, 4036131), (22, 3669210), (30, 2690754), (33, 2446140), (36, 2242295), (44, 1834605), (45, 1793836), (55, 1467684), (59, 1368180), (60, 1345377), (66, 1223070), (90, 896918), (99, 815380), (110, 733842), (118, 684090), (132, 611535), (165, 489228), (177, 456060), (180, 448459), (198, 407690), (220, 366921), (236, 342045), (295, 273636), (330, 244614), (354, 228030), (396, 203845), (495, 163076), (531, 152020), (590, 136818), (649, 124380), (660, 122307), (691, 116820), (708, 114015), (885, 91212), (990, 81538), (1062, 76010), (1180, 68409), (1298, 62190), (1382, 58410), (1770, 45606), (1947, 41460), (1980, 40769), (2073, 38940), (2124, 38005), (2596, 31095), (2655, 30404), (2764, 29205), (3245, 24876), (3455, 23364), (3540, 22803), (3894, 20730), (4146, 19470), (5310, 15202), (5841, 13820), (6219, 12980), (6490, 12438), (6910, 11682), (7601, 10620), (7788, 10365), (8292, 9735)]