31607290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:116

約数の個数: 96

約数和(自身を含む): 72067968

約数和(自身を除く): 40460678

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 26, 31, 46, 55, 62, 65, 110, 115, 130, 143, 155, 230, 253, 286, 299, 310, 341, 403, 506, 598, 682, 713, 715, 806, 961, 1265, 1426, 1430, 1495, 1705, 1922, 2015, 2530, 2990, 3289, 3410, 3565, 4030, 4433, 4805, 6578, 7130, 7843, 8866, 9269, 9610, 10571, 12493, 15686, 16445, 18538, 21142, 22103, 22165, 24986, 32890, 39215, 44206, 44330, 46345, 52855, 62465, 78430, 92690, 101959, 105710, 110515, 124930, 137423, 203918, 221030, 243133, 274846, 287339, 486266, 509795, 574678, 687115, 1019590, 1215665, 1374230, 1436695, 2431330, 2873390, 3160729, 6321458, 15803645, 31607290]

約数ペア:

[(1, 31607290), (2, 15803645), (5, 6321458), (10, 3160729), (11, 2873390), (13, 2431330), (22, 1436695), (23, 1374230), (26, 1215665), (31, 1019590), (46, 687115), (55, 574678), (62, 509795), (65, 486266), (110, 287339), (115, 274846), (130, 243133), (143, 221030), (155, 203918), (230, 137423), (253, 124930), (286, 110515), (299, 105710), (310, 101959), (341, 92690), (403, 78430), (506, 62465), (598, 52855), (682, 46345), (713, 44330), (715, 44206), (806, 39215), (961, 32890), (1265, 24986), (1426, 22165), (1430, 22103), (1495, 21142), (1705, 18538), (1922, 16445), (2015, 15686), (2530, 12493), (2990, 10571), (3289, 9610), (3410, 9269), (3565, 8866), (4030, 7843), (4433, 7130), (4805, 6578)]