81386280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{683}}^1$

素因数の和:1031

約数の個数: 96

約数和(自身を含む): 265692960

約数和(自身を除く): 184306680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 331, 360, 662, 683, 993, 1324, 1366, 1655, 1986, 2049, 2648, 2732, 2979, 3310, 3415, 3972, 4098, 4965, 5464, 5958, 6147, 6620, 6830, 7944, 8196, 9930, 10245, 11916, 12294, 13240, 13660, 14895, 16392, 19860, 20490, 23832, 24588, 27320, 29790, 30735, 39720, 40980, 49176, 59580, 61470, 81960, 119160, 122940, 226073, 245880, 452146, 678219, 904292, 1130365, 1356438, 1808584, 2034657, 2260730, 2712876, 3391095, 4069314, 4521460, 5425752, 6782190, 8138628, 9042920, 10173285, 13564380, 16277256, 20346570, 27128760, 40693140, 81386280]

約数ペア:

[(1, 81386280), (2, 40693140), (3, 27128760), (4, 20346570), (5, 16277256), (6, 13564380), (8, 10173285), (9, 9042920), (10, 8138628), (12, 6782190), (15, 5425752), (18, 4521460), (20, 4069314), (24, 3391095), (30, 2712876), (36, 2260730), (40, 2034657), (45, 1808584), (60, 1356438), (72, 1130365), (90, 904292), (120, 678219), (180, 452146), (331, 245880), (360, 226073), (662, 122940), (683, 119160), (993, 81960), (1324, 61470), (1366, 59580), (1655, 49176), (1986, 40980), (2049, 39720), (2648, 30735), (2732, 29790), (2979, 27320), (3310, 24588), (3415, 23832), (3972, 20490), (4098, 19860), (4965, 16392), (5464, 14895), (5958, 13660), (6147, 13240), (6620, 12294), (6830, 11916), (7944, 10245), (8196, 9930)]