287695980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11177}}^1$

素因数の和:11216

約数の個数: 144

約数和(自身を含む): 1025335584

約数和(自身を除く): 737639604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8580, 11177, 12870, 22354, 25740, 33531, 44708, 55885, 67062, 100593, 111770, 122947, 134124, 145301, 167655, 201186, 223540, 245894, 290602, 335310, 368841, 402372, 435903, 491788, 502965, 581204, 614735, 670620, 726505, 737682, 871806, 1005930, 1106523, 1229470, 1307709, 1453010, 1475364, 1598311, 1743612, 1844205, 2011860, 2179515, 2213046, 2458940, 2615418, 2906020, 3196622, 3688410, 4359030, 4426092, 4794933, 5230836, 5532615, 6393244, 6538545, 7376820, 7991555, 8718060, 9589866, 11065230, 13077090, 14384799, 15983110, 19179732, 22130460, 23974665, 26154180, 28769598, 31966220, 47949330, 57539196, 71923995, 95898660, 143847990, 287695980]

約数ペア:

[(1, 287695980), (2, 143847990), (3, 95898660), (4, 71923995), (5, 57539196), (6, 47949330), (9, 31966220), (10, 28769598), (11, 26154180), (12, 23974665), (13, 22130460), (15, 19179732), (18, 15983110), (20, 14384799), (22, 13077090), (26, 11065230), (30, 9589866), (33, 8718060), (36, 7991555), (39, 7376820), (44, 6538545), (45, 6393244), (52, 5532615), (55, 5230836), (60, 4794933), (65, 4426092), (66, 4359030), (78, 3688410), (90, 3196622), (99, 2906020), (110, 2615418), (117, 2458940), (130, 2213046), (132, 2179515), (143, 2011860), (156, 1844205), (165, 1743612), (180, 1598311), (195, 1475364), (198, 1453010), (220, 1307709), (234, 1229470), (260, 1106523), (286, 1005930), (330, 871806), (390, 737682), (396, 726505), (429, 670620), (468, 614735), (495, 581204), (572, 502965), (585, 491788), (660, 435903), (715, 402372), (780, 368841), (858, 335310), (990, 290602), (1170, 245894), (1287, 223540), (1430, 201186), (1716, 167655), (1980, 145301), (2145, 134124), (2340, 122947), (2574, 111770), (2860, 100593), (4290, 67062), (5148, 55885), (6435, 44708), (8580, 33531), (11177, 25740), (12870, 22354)]