66773980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1931}}^1$

素因数の和:1979

約数の個数: 96

約数和(自身を含む): 181762560

約数和(自身を除く): 114988580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 1931, 2470, 2660, 3458, 3862, 4940, 6916, 7724, 8645, 9655, 13517, 17290, 19310, 25103, 27034, 34580, 36689, 38620, 50206, 54068, 67585, 73378, 100412, 125515, 135170, 146756, 175721, 183445, 251030, 256823, 270340, 351442, 366890, 476957, 502060, 513646, 702884, 733780, 878605, 953914, 1027292, 1284115, 1757210, 1907828, 2384785, 2568230, 3338699, 3514420, 4769570, 5136460, 6677398, 9539140, 13354796, 16693495, 33386990, 66773980]

約数ペア:

[(1, 66773980), (2, 33386990), (4, 16693495), (5, 13354796), (7, 9539140), (10, 6677398), (13, 5136460), (14, 4769570), (19, 3514420), (20, 3338699), (26, 2568230), (28, 2384785), (35, 1907828), (38, 1757210), (52, 1284115), (65, 1027292), (70, 953914), (76, 878605), (91, 733780), (95, 702884), (130, 513646), (133, 502060), (140, 476957), (182, 366890), (190, 351442), (247, 270340), (260, 256823), (266, 251030), (364, 183445), (380, 175721), (455, 146756), (494, 135170), (532, 125515), (665, 100412), (910, 73378), (988, 67585), (1235, 54068), (1330, 50206), (1729, 38620), (1820, 36689), (1931, 34580), (2470, 27034), (2660, 25103), (3458, 19310), (3862, 17290), (4940, 13517), (6916, 9655), (7724, 8645)]