89839980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 290690400

約数和(自身を除く): 200850420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 109, 114, 171, 180, 190, 218, 228, 241, 285, 327, 342, 380, 436, 482, 545, 570, 654, 684, 723, 855, 964, 981, 1090, 1140, 1205, 1308, 1446, 1635, 1710, 1962, 2071, 2169, 2180, 2410, 2892, 3270, 3420, 3615, 3924, 4142, 4338, 4579, 4820, 4905, 6213, 6540, 7230, 8284, 8676, 9158, 9810, 10355, 10845, 12426, 13737, 14460, 18316, 18639, 19620, 20710, 21690, 22895, 24852, 26269, 27474, 31065, 37278, 41211, 41420, 43380, 45790, 52538, 54948, 62130, 68685, 74556, 78807, 82422, 91580, 93195, 105076, 124260, 131345, 137370, 157614, 164844, 186390, 206055, 236421, 262690, 274740, 315228, 372780, 394035, 412110, 472842, 499111, 525380, 788070, 824220, 945684, 998222, 1182105, 1497333, 1576140, 1996444, 2364210, 2495555, 2994666, 4491999, 4728420, 4991110, 5989332, 7486665, 8983998, 9982220, 14973330, 17967996, 22459995, 29946660, 44919990, 89839980]

約数ペア:

[(1, 89839980), (2, 44919990), (3, 29946660), (4, 22459995), (5, 17967996), (6, 14973330), (9, 9982220), (10, 8983998), (12, 7486665), (15, 5989332), (18, 4991110), (19, 4728420), (20, 4491999), (30, 2994666), (36, 2495555), (38, 2364210), (45, 1996444), (57, 1576140), (60, 1497333), (76, 1182105), (90, 998222), (95, 945684), (109, 824220), (114, 788070), (171, 525380), (180, 499111), (190, 472842), (218, 412110), (228, 394035), (241, 372780), (285, 315228), (327, 274740), (342, 262690), (380, 236421), (436, 206055), (482, 186390), (545, 164844), (570, 157614), (654, 137370), (684, 131345), (723, 124260), (855, 105076), (964, 93195), (981, 91580), (1090, 82422), (1140, 78807), (1205, 74556), (1308, 68685), (1446, 62130), (1635, 54948), (1710, 52538), (1962, 45790), (2071, 43380), (2169, 41420), (2180, 41211), (2410, 37278), (2892, 31065), (3270, 27474), (3420, 26269), (3615, 24852), (3924, 22895), (4142, 21690), (4338, 20710), (4579, 19620), (4820, 18639), (4905, 18316), (6213, 14460), (6540, 13737), (7230, 12426), (8284, 10845), (8676, 10355), (9158, 9810)]