1999091520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8363}}^1$

素因数の和:8469

約数の個数: 168

約数和(自身を含む): 6959717856

約数和(自身を除く): 4960626336

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 83, 90, 96, 120, 144, 160, 166, 180, 192, 240, 249, 288, 320, 332, 360, 415, 480, 498, 576, 664, 720, 747, 830, 960, 996, 1245, 1328, 1440, 1494, 1660, 1992, 2490, 2656, 2880, 2988, 3320, 3735, 3984, 4980, 5312, 5976, 6640, 7470, 7968, 8363, 9960, 11952, 13280, 14940, 15936, 16726, 19920, 23904, 25089, 26560, 29880, 33452, 39840, 41815, 47808, 50178, 59760, 66904, 75267, 79680, 83630, 100356, 119520, 125445, 133808, 150534, 167260, 200712, 239040, 250890, 267616, 301068, 334520, 376335, 401424, 501780, 535232, 602136, 669040, 694129, 752670, 802848, 1003560, 1204272, 1338080, 1388258, 1505340, 1605696, 2007120, 2082387, 2408544, 2676160, 2776516, 3010680, 3470645, 4014240, 4164774, 4817088, 5553032, 6021360, 6247161, 6941290, 8028480, 8329548, 10411935, 11106064, 12042720, 12494322, 13882580, 16659096, 20823870, 22212128, 24085440, 24988644, 27765160, 31235805, 33318192, 41647740, 44424256, 49977288, 55530320, 62471610, 66636384, 83295480, 99954576, 111060640, 124943220, 133272768, 166590960, 199909152, 222121280, 249886440, 333181920, 399818304, 499772880, 666363840, 999545760, 1999091520]

約数ペア:

[(1, 1999091520), (2, 999545760), (3, 666363840), (4, 499772880), (5, 399818304), (6, 333181920), (8, 249886440), (9, 222121280), (10, 199909152), (12, 166590960), (15, 133272768), (16, 124943220), (18, 111060640), (20, 99954576), (24, 83295480), (30, 66636384), (32, 62471610), (36, 55530320), (40, 49977288), (45, 44424256), (48, 41647740), (60, 33318192), (64, 31235805), (72, 27765160), (80, 24988644), (83, 24085440), (90, 22212128), (96, 20823870), (120, 16659096), (144, 13882580), (160, 12494322), (166, 12042720), (180, 11106064), (192, 10411935), (240, 8329548), (249, 8028480), (288, 6941290), (320, 6247161), (332, 6021360), (360, 5553032), (415, 4817088), (480, 4164774), (498, 4014240), (576, 3470645), (664, 3010680), (720, 2776516), (747, 2676160), (830, 2408544), (960, 2082387), (996, 2007120), (1245, 1605696), (1328, 1505340), (1440, 1388258), (1494, 1338080), (1660, 1204272), (1992, 1003560), (2490, 802848), (2656, 752670), (2880, 694129), (2988, 669040), (3320, 602136), (3735, 535232), (3984, 501780), (4980, 401424), (5312, 376335), (5976, 334520), (6640, 301068), (7470, 267616), (7968, 250890), (8363, 239040), (9960, 200712), (11952, 167260), (13280, 150534), (14940, 133808), (15936, 125445), (16726, 119520), (19920, 100356), (23904, 83630), (25089, 79680), (26560, 75267), (29880, 66904), (33452, 59760), (39840, 50178), (41815, 47808)]