1620228974

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:274

約数の個数: 128

約数和(自身を含む): 3257210880

約数和(自身を除く): 1636981906

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 53, 67, 91, 106, 109, 134, 161, 182, 218, 299, 322, 371, 469, 598, 689, 742, 763, 871, 938, 1219, 1378, 1417, 1526, 1541, 1742, 2093, 2438, 2507, 2834, 3082, 3551, 4186, 4823, 5014, 5777, 6097, 7102, 7303, 8533, 9646, 9919, 10787, 11554, 12194, 14606, 15847, 17066, 17549, 19838, 20033, 21574, 24857, 31694, 32591, 35098, 40066, 40439, 46163, 49714, 51121, 65182, 75101, 80878, 81673, 92326, 94939, 102242, 110929, 132871, 140231, 150202, 163346, 167969, 189878, 221858, 228137, 265742, 280462, 323141, 335938, 387059, 456274, 525707, 571711, 646282, 664573, 774118, 930097, 1051414, 1061749, 1143422, 1175783, 1329146, 1727323, 1860194, 2123498, 2183597, 2351566, 2709413, 3454646, 4367194, 5031767, 5418826, 7432243, 8902357, 10063534, 12091261, 14864486, 15285179, 17804714, 24182522, 30570358, 35222369, 62316499, 70444738, 115730641, 124632998, 231461282, 810114487, 1620228974]

約数ペア:

[(1, 1620228974), (2, 810114487), (7, 231461282), (13, 124632998), (14, 115730641), (23, 70444738), (26, 62316499), (46, 35222369), (53, 30570358), (67, 24182522), (91, 17804714), (106, 15285179), (109, 14864486), (134, 12091261), (161, 10063534), (182, 8902357), (218, 7432243), (299, 5418826), (322, 5031767), (371, 4367194), (469, 3454646), (598, 2709413), (689, 2351566), (742, 2183597), (763, 2123498), (871, 1860194), (938, 1727323), (1219, 1329146), (1378, 1175783), (1417, 1143422), (1526, 1061749), (1541, 1051414), (1742, 930097), (2093, 774118), (2438, 664573), (2507, 646282), (2834, 571711), (3082, 525707), (3551, 456274), (4186, 387059), (4823, 335938), (5014, 323141), (5777, 280462), (6097, 265742), (7102, 228137), (7303, 221858), (8533, 189878), (9646, 167969), (9919, 163346), (10787, 150202), (11554, 140231), (12194, 132871), (14606, 110929), (15847, 102242), (17066, 94939), (17549, 92326), (19838, 81673), (20033, 80878), (21574, 75101), (24857, 65182), (31694, 51121), (32591, 49714), (35098, 46163), (40066, 40439)]