20161611040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1\times {\mathrm{691}}^1$

素因数の和:1371

約数の個数: 144

約数和(自身を含む): 50752021824

約数和(自身を除く): 30590410784

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 631, 680, 691, 1156, 1262, 1360, 1382, 1445, 2312, 2524, 2720, 2764, 2890, 3155, 3455, 4624, 5048, 5528, 5780, 6310, 6910, 9248, 10096, 10727, 11056, 11560, 11747, 12620, 13820, 20192, 21454, 22112, 23120, 23494, 25240, 27640, 42908, 46240, 46988, 50480, 53635, 55280, 58735, 85816, 93976, 100960, 107270, 110560, 117470, 171632, 182359, 187952, 199699, 214540, 234940, 343264, 364718, 375904, 399398, 429080, 436021, 469880, 729436, 798796, 858160, 872042, 911795, 939760, 998495, 1458872, 1597592, 1716320, 1744084, 1823590, 1879520, 1996990, 2180105, 2917744, 3195184, 3488168, 3647180, 3993980, 4360210, 5835488, 6390368, 6976336, 7294360, 7412357, 7987960, 8720420, 13952672, 14588720, 14824714, 15975920, 17440840, 29177440, 29649428, 31951840, 34881680, 37061785, 59298856, 69763360, 74123570, 118597712, 126010069, 148247140, 237195424, 252020138, 296494280, 504040276, 592988560, 630050345, 1008080552, 1185977120, 1260100690, 2016161104, 2520201380, 4032322208, 5040402760, 10080805520, 20161611040]

約数ペア:

[(1, 20161611040), (2, 10080805520), (4, 5040402760), (5, 4032322208), (8, 2520201380), (10, 2016161104), (16, 1260100690), (17, 1185977120), (20, 1008080552), (32, 630050345), (34, 592988560), (40, 504040276), (68, 296494280), (80, 252020138), (85, 237195424), (136, 148247140), (160, 126010069), (170, 118597712), (272, 74123570), (289, 69763360), (340, 59298856), (544, 37061785), (578, 34881680), (631, 31951840), (680, 29649428), (691, 29177440), (1156, 17440840), (1262, 15975920), (1360, 14824714), (1382, 14588720), (1445, 13952672), (2312, 8720420), (2524, 7987960), (2720, 7412357), (2764, 7294360), (2890, 6976336), (3155, 6390368), (3455, 5835488), (4624, 4360210), (5048, 3993980), (5528, 3647180), (5780, 3488168), (6310, 3195184), (6910, 2917744), (9248, 2180105), (10096, 1996990), (10727, 1879520), (11056, 1823590), (11560, 1744084), (11747, 1716320), (12620, 1597592), (13820, 1458872), (20192, 998495), (21454, 939760), (22112, 911795), (23120, 872042), (23494, 858160), (25240, 798796), (27640, 729436), (42908, 469880), (46240, 436021), (46988, 429080), (50480, 399398), (53635, 375904), (55280, 364718), (58735, 343264), (85816, 234940), (93976, 214540), (100960, 199699), (107270, 187952), (110560, 182359), (117470, 171632)]