261986760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{103963}}^1$

素因数の和:103987

約数の個数: 96

約数和(自身を含む): 973103040

約数和(自身を除く): 711116280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 103963, 207926, 311889, 415852, 519815, 623778, 727741, 831704, 935667, 1039630, 1247556, 1455482, 1559445, 1871334, 2079260, 2183223, 2495112, 2910964, 3118890, 3638705, 3742668, 4158520, 4366446, 4678335, 5821928, 6237780, 6549669, 7277410, 7485336, 8732892, 9356670, 10916115, 12475560, 13099338, 14554820, 17465784, 18713340, 21832230, 26198676, 29109640, 32748345, 37426680, 43664460, 52397352, 65496690, 87328920, 130993380, 261986760]

約数ペア:

[(1, 261986760), (2, 130993380), (3, 87328920), (4, 65496690), (5, 52397352), (6, 43664460), (7, 37426680), (8, 32748345), (9, 29109640), (10, 26198676), (12, 21832230), (14, 18713340), (15, 17465784), (18, 14554820), (20, 13099338), (21, 12475560), (24, 10916115), (28, 9356670), (30, 8732892), (35, 7485336), (36, 7277410), (40, 6549669), (42, 6237780), (45, 5821928), (56, 4678335), (60, 4366446), (63, 4158520), (70, 3742668), (72, 3638705), (84, 3118890), (90, 2910964), (105, 2495112), (120, 2183223), (126, 2079260), (140, 1871334), (168, 1559445), (180, 1455482), (210, 1247556), (252, 1039630), (280, 935667), (315, 831704), (360, 727741), (420, 623778), (504, 519815), (630, 415852), (840, 311889), (1260, 207926), (2520, 103963)]