81544230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 96

約数和(自身を含む): 221832000

約数和(自身を除く): 140287770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 157, 174, 199, 261, 290, 314, 398, 435, 471, 522, 597, 785, 870, 942, 995, 1194, 1305, 1413, 1570, 1791, 1990, 2355, 2610, 2826, 2985, 3582, 4553, 4710, 5771, 5970, 7065, 8955, 9106, 11542, 13659, 14130, 17313, 17910, 22765, 27318, 28855, 31243, 34626, 40977, 45530, 51939, 57710, 62486, 68295, 81954, 86565, 93729, 103878, 136590, 156215, 173130, 187458, 204885, 259695, 281187, 312430, 409770, 468645, 519390, 562374, 906047, 937290, 1405935, 1812094, 2718141, 2811870, 4530235, 5436282, 8154423, 9060470, 13590705, 16308846, 27181410, 40772115, 81544230]

約数ペア:

[(1, 81544230), (2, 40772115), (3, 27181410), (5, 16308846), (6, 13590705), (9, 9060470), (10, 8154423), (15, 5436282), (18, 4530235), (29, 2811870), (30, 2718141), (45, 1812094), (58, 1405935), (87, 937290), (90, 906047), (145, 562374), (157, 519390), (174, 468645), (199, 409770), (261, 312430), (290, 281187), (314, 259695), (398, 204885), (435, 187458), (471, 173130), (522, 156215), (597, 136590), (785, 103878), (870, 93729), (942, 86565), (995, 81954), (1194, 68295), (1305, 62486), (1413, 57710), (1570, 51939), (1791, 45530), (1990, 40977), (2355, 34626), (2610, 31243), (2826, 28855), (2985, 27318), (3582, 22765), (4553, 17910), (4710, 17313), (5771, 14130), (5970, 13659), (7065, 11542), (8955, 9106)]