31468140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 108815616

約数和(自身を除く): 77347476

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 30, 33, 36, 44, 45, 46, 55, 60, 66, 69, 90, 92, 99, 110, 115, 132, 138, 165, 180, 198, 207, 220, 230, 253, 276, 330, 345, 396, 414, 460, 495, 506, 660, 690, 691, 759, 828, 990, 1012, 1035, 1265, 1380, 1382, 1518, 1980, 2070, 2073, 2277, 2530, 2764, 3036, 3455, 3795, 4140, 4146, 4554, 5060, 6219, 6910, 7590, 7601, 8292, 9108, 10365, 11385, 12438, 13820, 15180, 15202, 15893, 20730, 22770, 22803, 24876, 30404, 31095, 31786, 38005, 41460, 45540, 45606, 47679, 62190, 63572, 68409, 76010, 79465, 91212, 95358, 114015, 124380, 136818, 143037, 152020, 158930, 174823, 190716, 228030, 238395, 273636, 286074, 317860, 342045, 349646, 456060, 476790, 524469, 572148, 684090, 699292, 715185, 874115, 953580, 1048938, 1368180, 1430370, 1573407, 1748230, 2097876, 2622345, 2860740, 3146814, 3496460, 5244690, 6293628, 7867035, 10489380, 15734070, 31468140]

約数ペア:

[(1, 31468140), (2, 15734070), (3, 10489380), (4, 7867035), (5, 6293628), (6, 5244690), (9, 3496460), (10, 3146814), (11, 2860740), (12, 2622345), (15, 2097876), (18, 1748230), (20, 1573407), (22, 1430370), (23, 1368180), (30, 1048938), (33, 953580), (36, 874115), (44, 715185), (45, 699292), (46, 684090), (55, 572148), (60, 524469), (66, 476790), (69, 456060), (90, 349646), (92, 342045), (99, 317860), (110, 286074), (115, 273636), (132, 238395), (138, 228030), (165, 190716), (180, 174823), (198, 158930), (207, 152020), (220, 143037), (230, 136818), (253, 124380), (276, 114015), (330, 95358), (345, 91212), (396, 79465), (414, 76010), (460, 68409), (495, 63572), (506, 62190), (660, 47679), (690, 45606), (691, 45540), (759, 41460), (828, 38005), (990, 31786), (1012, 31095), (1035, 30404), (1265, 24876), (1380, 22803), (1382, 22770), (1518, 20730), (1980, 15893), (2070, 15202), (2073, 15180), (2277, 13820), (2530, 12438), (2764, 11385), (3036, 10365), (3455, 9108), (3795, 8292), (4140, 7601), (4146, 7590), (4554, 6910), (5060, 6219)]