87651720

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2081}}^1$

素因数の和:2117

約数の個数: 160

約数和(自身を含む): 317421720

約数和(自身を除く): 229770000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 2081, 2106, 2340, 2808, 3240, 3510, 4162, 4212, 4680, 5265, 6243, 7020, 8324, 8424, 10405, 10530, 12486, 14040, 16648, 18729, 20810, 21060, 24972, 27053, 31215, 37458, 41620, 42120, 49944, 54106, 56187, 62430, 74916, 81159, 83240, 93645, 108212, 112374, 124860, 135265, 149832, 162318, 168561, 187290, 216424, 224748, 243477, 249720, 270530, 280935, 324636, 337122, 374580, 405795, 449496, 486954, 541060, 561870, 649272, 674244, 730431, 749160, 811590, 842805, 973908, 1082120, 1123740, 1217385, 1348488, 1460862, 1623180, 1685610, 1947816, 2191293, 2247480, 2434770, 2921724, 3246360, 3371220, 3652155, 4382586, 4869540, 5843448, 6742440, 7304310, 8765172, 9739080, 10956465, 14608620, 17530344, 21912930, 29217240, 43825860, 87651720]

約数ペア:

[(1, 87651720), (2, 43825860), (3, 29217240), (4, 21912930), (5, 17530344), (6, 14608620), (8, 10956465), (9, 9739080), (10, 8765172), (12, 7304310), (13, 6742440), (15, 5843448), (18, 4869540), (20, 4382586), (24, 3652155), (26, 3371220), (27, 3246360), (30, 2921724), (36, 2434770), (39, 2247480), (40, 2191293), (45, 1947816), (52, 1685610), (54, 1623180), (60, 1460862), (65, 1348488), (72, 1217385), (78, 1123740), (81, 1082120), (90, 973908), (104, 842805), (108, 811590), (117, 749160), (120, 730431), (130, 674244), (135, 649272), (156, 561870), (162, 541060), (180, 486954), (195, 449496), (216, 405795), (234, 374580), (260, 337122), (270, 324636), (312, 280935), (324, 270530), (351, 249720), (360, 243477), (390, 224748), (405, 216424), (468, 187290), (520, 168561), (540, 162318), (585, 149832), (648, 135265), (702, 124860), (780, 112374), (810, 108212), (936, 93645), (1053, 83240), (1080, 81159), (1170, 74916), (1404, 62430), (1560, 56187), (1620, 54106), (1755, 49944), (2081, 42120), (2106, 41620), (2340, 37458), (2808, 31215), (3240, 27053), (3510, 24972), (4162, 21060), (4212, 20810), (4680, 18729), (5265, 16648), (6243, 14040), (7020, 12486), (8324, 10530), (8424, 10405)]