180520340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 520224768

約数和(自身を除く): 339704428

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 71, 77, 91, 110, 127, 130, 140, 142, 143, 154, 182, 220, 254, 260, 284, 286, 308, 355, 364, 385, 455, 497, 508, 572, 635, 710, 715, 770, 781, 889, 910, 923, 994, 1001, 1270, 1397, 1420, 1430, 1540, 1562, 1651, 1778, 1820, 1846, 1988, 2002, 2485, 2540, 2794, 2860, 3124, 3302, 3556, 3692, 3905, 4004, 4445, 4615, 4970, 5005, 5467, 5588, 6461, 6604, 6985, 7810, 8255, 8890, 9017, 9230, 9779, 9940, 10010, 10153, 10934, 11557, 12922, 13970, 15620, 16510, 17780, 18034, 18161, 18460, 19558, 20020, 20306, 21868, 23114, 25844, 27335, 27940, 32305, 33020, 36068, 36322, 39116, 40612, 45085, 46228, 48895, 50765, 54670, 57785, 63119, 64610, 71071, 72644, 90170, 90805, 97790, 99187, 101530, 109340, 115570, 117221, 126238, 127127, 129220, 142142, 180340, 181610, 195580, 198374, 203060, 231140, 234442, 252476, 254254, 284284, 315595, 355355, 363220, 396748, 468884, 495935, 508508, 586105, 631190, 635635, 694309, 710710, 820547, 991870, 1172210, 1262380, 1271270, 1289431, 1388618, 1421420, 1641094, 1983740, 2344420, 2542540, 2578862, 2777236, 3282188, 3471545, 4102735, 5157724, 6447155, 6943090, 8205470, 9026017, 12894310, 13886180, 16410940, 18052034, 25788620, 36104068, 45130085, 90260170, 180520340]

約数ペア:

[(1, 180520340), (2, 90260170), (4, 45130085), (5, 36104068), (7, 25788620), (10, 18052034), (11, 16410940), (13, 13886180), (14, 12894310), (20, 9026017), (22, 8205470), (26, 6943090), (28, 6447155), (35, 5157724), (44, 4102735), (52, 3471545), (55, 3282188), (65, 2777236), (70, 2578862), (71, 2542540), (77, 2344420), (91, 1983740), (110, 1641094), (127, 1421420), (130, 1388618), (140, 1289431), (142, 1271270), (143, 1262380), (154, 1172210), (182, 991870), (220, 820547), (254, 710710), (260, 694309), (284, 635635), (286, 631190), (308, 586105), (355, 508508), (364, 495935), (385, 468884), (455, 396748), (497, 363220), (508, 355355), (572, 315595), (635, 284284), (710, 254254), (715, 252476), (770, 234442), (781, 231140), (889, 203060), (910, 198374), (923, 195580), (994, 181610), (1001, 180340), (1270, 142142), (1397, 129220), (1420, 127127), (1430, 126238), (1540, 117221), (1562, 115570), (1651, 109340), (1778, 101530), (1820, 99187), (1846, 97790), (1988, 90805), (2002, 90170), (2485, 72644), (2540, 71071), (2794, 64610), (2860, 63119), (3124, 57785), (3302, 54670), (3556, 50765), (3692, 48895), (3905, 46228), (4004, 45085), (4445, 40612), (4615, 39116), (4970, 36322), (5005, 36068), (5467, 33020), (5588, 32305), (6461, 27940), (6604, 27335), (6985, 25844), (7810, 23114), (8255, 21868), (8890, 20306), (9017, 20020), (9230, 19558), (9779, 18460), (9940, 18161), (10010, 18034), (10153, 17780), (10934, 16510), (11557, 15620), (12922, 13970)]