261162930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 128

約数和(自身を含む): 754790400

約数和(自身を除く): 493627470

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 139, 161, 210, 230, 278, 322, 345, 389, 417, 483, 690, 695, 778, 805, 834, 966, 973, 1167, 1390, 1610, 1945, 1946, 2085, 2334, 2415, 2723, 2919, 3197, 3890, 4170, 4830, 4865, 5446, 5835, 5838, 6394, 8169, 8947, 9591, 9730, 11670, 13615, 14595, 15985, 16338, 17894, 19182, 22379, 26841, 27230, 29190, 31970, 40845, 44735, 44758, 47955, 53682, 54071, 62629, 67137, 81690, 89470, 95910, 108142, 111895, 125258, 134205, 134274, 162213, 187887, 223790, 268410, 270355, 313145, 324426, 335685, 375774, 378497, 540710, 626290, 671370, 756994, 811065, 939435, 1135491, 1243633, 1622130, 1878870, 1892485, 2270982, 2487266, 3730899, 3784970, 5677455, 6218165, 7461798, 8705431, 11354910, 12436330, 17410862, 18654495, 26116293, 37308990, 43527155, 52232586, 87054310, 130581465, 261162930]

約数ペア:

[(1, 261162930), (2, 130581465), (3, 87054310), (5, 52232586), (6, 43527155), (7, 37308990), (10, 26116293), (14, 18654495), (15, 17410862), (21, 12436330), (23, 11354910), (30, 8705431), (35, 7461798), (42, 6218165), (46, 5677455), (69, 3784970), (70, 3730899), (105, 2487266), (115, 2270982), (138, 1892485), (139, 1878870), (161, 1622130), (210, 1243633), (230, 1135491), (278, 939435), (322, 811065), (345, 756994), (389, 671370), (417, 626290), (483, 540710), (690, 378497), (695, 375774), (778, 335685), (805, 324426), (834, 313145), (966, 270355), (973, 268410), (1167, 223790), (1390, 187887), (1610, 162213), (1945, 134274), (1946, 134205), (2085, 125258), (2334, 111895), (2415, 108142), (2723, 95910), (2919, 89470), (3197, 81690), (3890, 67137), (4170, 62629), (4830, 54071), (4865, 53682), (5446, 47955), (5835, 44758), (5838, 44735), (6394, 40845), (8169, 31970), (8947, 29190), (9591, 27230), (9730, 26841), (11670, 22379), (13615, 19182), (14595, 17894), (15985, 16338)]