81023670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{761}}^1$

素因数の和:807

約数の個数: 144

約数和(自身を含む): 261042912

約数和(自身を除く): 180019242

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 169, 182, 195, 210, 234, 273, 315, 338, 390, 455, 507, 546, 585, 630, 761, 819, 845, 910, 1014, 1170, 1183, 1365, 1521, 1522, 1638, 1690, 2283, 2366, 2535, 2730, 3042, 3549, 3805, 4095, 4566, 5070, 5327, 5915, 6849, 7098, 7605, 7610, 8190, 9893, 10647, 10654, 11415, 11830, 13698, 15210, 15981, 17745, 19786, 21294, 22830, 26635, 29679, 31962, 34245, 35490, 47943, 49465, 53235, 53270, 59358, 68490, 69251, 79905, 89037, 95886, 98930, 106470, 128609, 138502, 148395, 159810, 178074, 207753, 239715, 257218, 296790, 346255, 385827, 415506, 445185, 479430, 623259, 643045, 692510, 771654, 890370, 900263, 1038765, 1157481, 1246518, 1286090, 1800526, 1929135, 2077530, 2314962, 2700789, 3116295, 3858270, 4501315, 5401578, 5787405, 6232590, 8102367, 9002630, 11574810, 13503945, 16204734, 27007890, 40511835, 81023670]

約数ペア:

[(1, 81023670), (2, 40511835), (3, 27007890), (5, 16204734), (6, 13503945), (7, 11574810), (9, 9002630), (10, 8102367), (13, 6232590), (14, 5787405), (15, 5401578), (18, 4501315), (21, 3858270), (26, 3116295), (30, 2700789), (35, 2314962), (39, 2077530), (42, 1929135), (45, 1800526), (63, 1286090), (65, 1246518), (70, 1157481), (78, 1038765), (90, 900263), (91, 890370), (105, 771654), (117, 692510), (126, 643045), (130, 623259), (169, 479430), (182, 445185), (195, 415506), (210, 385827), (234, 346255), (273, 296790), (315, 257218), (338, 239715), (390, 207753), (455, 178074), (507, 159810), (546, 148395), (585, 138502), (630, 128609), (761, 106470), (819, 98930), (845, 95886), (910, 89037), (1014, 79905), (1170, 69251), (1183, 68490), (1365, 59358), (1521, 53270), (1522, 53235), (1638, 49465), (1690, 47943), (2283, 35490), (2366, 34245), (2535, 31962), (2730, 29679), (3042, 26635), (3549, 22830), (3805, 21294), (4095, 19786), (4566, 17745), (5070, 15981), (5327, 15210), (5915, 13698), (6849, 11830), (7098, 11415), (7605, 10654), (7610, 10647), (8190, 9893)]