311497290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15661}}^1$

素因数の和:15704

約数の個数: 96

約数和(自身を含む): 923556816

約数和(自身を除く): 612059526

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1105, 1170, 1326, 1530, 1989, 2210, 3315, 3978, 6630, 9945, 15661, 19890, 31322, 46983, 78305, 93966, 140949, 156610, 203593, 234915, 266237, 281898, 407186, 469830, 532474, 610779, 704745, 798711, 1017965, 1221558, 1331185, 1409490, 1597422, 1832337, 2035930, 2396133, 2662370, 3053895, 3461081, 3664674, 3993555, 4792266, 6107790, 6922162, 7987110, 9161685, 10383243, 11980665, 17305405, 18323370, 20766486, 23961330, 31149729, 34610810, 51916215, 62299458, 103832430, 155748645, 311497290]

約数ペア:

[(1, 311497290), (2, 155748645), (3, 103832430), (5, 62299458), (6, 51916215), (9, 34610810), (10, 31149729), (13, 23961330), (15, 20766486), (17, 18323370), (18, 17305405), (26, 11980665), (30, 10383243), (34, 9161685), (39, 7987110), (45, 6922162), (51, 6107790), (65, 4792266), (78, 3993555), (85, 3664674), (90, 3461081), (102, 3053895), (117, 2662370), (130, 2396133), (153, 2035930), (170, 1832337), (195, 1597422), (221, 1409490), (234, 1331185), (255, 1221558), (306, 1017965), (390, 798711), (442, 704745), (510, 610779), (585, 532474), (663, 469830), (765, 407186), (1105, 281898), (1170, 266237), (1326, 234915), (1530, 203593), (1989, 156610), (2210, 140949), (3315, 93966), (3978, 78305), (6630, 46983), (9945, 31322), (15661, 19890)]