81836820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{853}}^1$

素因数の和:922

約数の個数: 144

約数和(自身を含む): 274174992

約数和(自身を除く): 192338172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 41, 45, 52, 60, 65, 78, 82, 90, 117, 123, 130, 156, 164, 180, 195, 205, 234, 246, 260, 369, 390, 410, 468, 492, 533, 585, 615, 738, 780, 820, 853, 1066, 1170, 1230, 1476, 1599, 1706, 1845, 2132, 2340, 2460, 2559, 2665, 3198, 3412, 3690, 4265, 4797, 5118, 5330, 6396, 7380, 7677, 7995, 8530, 9594, 10236, 10660, 11089, 12795, 15354, 15990, 17060, 19188, 22178, 23985, 25590, 30708, 31980, 33267, 34973, 38385, 44356, 47970, 51180, 55445, 66534, 69946, 76770, 95940, 99801, 104919, 110890, 133068, 139892, 153540, 166335, 174865, 199602, 209838, 221780, 314757, 332670, 349730, 399204, 419676, 454649, 499005, 524595, 629514, 665340, 699460, 909298, 998010, 1049190, 1259028, 1363947, 1573785, 1818596, 1996020, 2098380, 2273245, 2727894, 3147570, 4091841, 4546490, 5455788, 6295140, 6819735, 8183682, 9092980, 13639470, 16367364, 20459205, 27278940, 40918410, 81836820]

約数ペア:

[(1, 81836820), (2, 40918410), (3, 27278940), (4, 20459205), (5, 16367364), (6, 13639470), (9, 9092980), (10, 8183682), (12, 6819735), (13, 6295140), (15, 5455788), (18, 4546490), (20, 4091841), (26, 3147570), (30, 2727894), (36, 2273245), (39, 2098380), (41, 1996020), (45, 1818596), (52, 1573785), (60, 1363947), (65, 1259028), (78, 1049190), (82, 998010), (90, 909298), (117, 699460), (123, 665340), (130, 629514), (156, 524595), (164, 499005), (180, 454649), (195, 419676), (205, 399204), (234, 349730), (246, 332670), (260, 314757), (369, 221780), (390, 209838), (410, 199602), (468, 174865), (492, 166335), (533, 153540), (585, 139892), (615, 133068), (738, 110890), (780, 104919), (820, 99801), (853, 95940), (1066, 76770), (1170, 69946), (1230, 66534), (1476, 55445), (1599, 51180), (1706, 47970), (1845, 44356), (2132, 38385), (2340, 34973), (2460, 33267), (2559, 31980), (2665, 30708), (3198, 25590), (3412, 23985), (3690, 22178), (4265, 19188), (4797, 17060), (5118, 15990), (5330, 15354), (6396, 12795), (7380, 11089), (7677, 10660), (7995, 10236), (8530, 9594)]