179587980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6977}}^1$

素因数の和:7016

約数の個数: 144

約数和(自身を含む): 640077984

約数和(自身を除く): 460490004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 6977, 8580, 12870, 13954, 20931, 25740, 27908, 34885, 41862, 62793, 69770, 76747, 83724, 90701, 104655, 125586, 139540, 153494, 181402, 209310, 230241, 251172, 272103, 306988, 313965, 362804, 383735, 418620, 453505, 460482, 544206, 627930, 690723, 767470, 816309, 907010, 920964, 997711, 1088412, 1151205, 1255860, 1360515, 1381446, 1534940, 1632618, 1814020, 1995422, 2302410, 2721030, 2762892, 2993133, 3265236, 3453615, 3990844, 4081545, 4604820, 4988555, 5442060, 5986266, 6907230, 8163090, 8979399, 9977110, 11972532, 13814460, 14965665, 16326180, 17958798, 19954220, 29931330, 35917596, 44896995, 59862660, 89793990, 179587980]

約数ペア:

[(1, 179587980), (2, 89793990), (3, 59862660), (4, 44896995), (5, 35917596), (6, 29931330), (9, 19954220), (10, 17958798), (11, 16326180), (12, 14965665), (13, 13814460), (15, 11972532), (18, 9977110), (20, 8979399), (22, 8163090), (26, 6907230), (30, 5986266), (33, 5442060), (36, 4988555), (39, 4604820), (44, 4081545), (45, 3990844), (52, 3453615), (55, 3265236), (60, 2993133), (65, 2762892), (66, 2721030), (78, 2302410), (90, 1995422), (99, 1814020), (110, 1632618), (117, 1534940), (130, 1381446), (132, 1360515), (143, 1255860), (156, 1151205), (165, 1088412), (180, 997711), (195, 920964), (198, 907010), (220, 816309), (234, 767470), (260, 690723), (286, 627930), (330, 544206), (390, 460482), (396, 453505), (429, 418620), (468, 383735), (495, 362804), (572, 313965), (585, 306988), (660, 272103), (715, 251172), (780, 230241), (858, 209310), (990, 181402), (1170, 153494), (1287, 139540), (1430, 125586), (1716, 104655), (1980, 90701), (2145, 83724), (2340, 76747), (2574, 69770), (2860, 62793), (4290, 41862), (5148, 34885), (6435, 27908), (6977, 25740), (8580, 20931), (12870, 13954)]