81174480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 265161600

約数和(自身を除く): 183987120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 107, 109, 116, 120, 145, 174, 214, 218, 232, 240, 290, 321, 327, 348, 428, 435, 436, 464, 535, 545, 580, 642, 654, 696, 856, 870, 872, 1070, 1090, 1160, 1284, 1308, 1392, 1605, 1635, 1712, 1740, 1744, 2140, 2180, 2320, 2568, 2616, 3103, 3161, 3210, 3270, 3480, 4280, 4360, 5136, 5232, 6206, 6322, 6420, 6540, 6960, 8560, 8720, 9309, 9483, 11663, 12412, 12644, 12840, 13080, 15515, 15805, 18618, 18966, 23326, 24824, 25288, 25680, 26160, 31030, 31610, 34989, 37236, 37932, 46545, 46652, 47415, 49648, 50576, 58315, 62060, 63220, 69978, 74472, 75864, 93090, 93304, 94830, 116630, 124120, 126440, 139956, 148944, 151728, 174945, 186180, 186608, 189660, 233260, 248240, 252880, 279912, 338227, 349890, 372360, 379320, 466520, 559824, 676454, 699780, 744720, 758640, 933040, 1014681, 1352908, 1399560, 1691135, 2029362, 2705816, 2799120, 3382270, 4058724, 5073405, 5411632, 6764540, 8117448, 10146810, 13529080, 16234896, 20293620, 27058160, 40587240, 81174480]

約数ペア:

[(1, 81174480), (2, 40587240), (3, 27058160), (4, 20293620), (5, 16234896), (6, 13529080), (8, 10146810), (10, 8117448), (12, 6764540), (15, 5411632), (16, 5073405), (20, 4058724), (24, 3382270), (29, 2799120), (30, 2705816), (40, 2029362), (48, 1691135), (58, 1399560), (60, 1352908), (80, 1014681), (87, 933040), (107, 758640), (109, 744720), (116, 699780), (120, 676454), (145, 559824), (174, 466520), (214, 379320), (218, 372360), (232, 349890), (240, 338227), (290, 279912), (321, 252880), (327, 248240), (348, 233260), (428, 189660), (435, 186608), (436, 186180), (464, 174945), (535, 151728), (545, 148944), (580, 139956), (642, 126440), (654, 124120), (696, 116630), (856, 94830), (870, 93304), (872, 93090), (1070, 75864), (1090, 74472), (1160, 69978), (1284, 63220), (1308, 62060), (1392, 58315), (1605, 50576), (1635, 49648), (1712, 47415), (1740, 46652), (1744, 46545), (2140, 37932), (2180, 37236), (2320, 34989), (2568, 31610), (2616, 31030), (3103, 26160), (3161, 25680), (3210, 25288), (3270, 24824), (3480, 23326), (4280, 18966), (4360, 18618), (5136, 15805), (5232, 15515), (6206, 13080), (6322, 12840), (6420, 12644), (6540, 12412), (6960, 11663), (8560, 9483), (8720, 9309)]