319917780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19531}}^1$

素因数の和:19566

約数の個数: 144

約数和(自身を含む): 1194420864

約数和(自身を除く): 874503084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 19531, 39062, 58593, 78124, 97655, 117186, 136717, 175779, 195310, 234372, 253903, 273434, 292965, 351558, 390620, 410151, 507806, 546868, 585930, 683585, 703116, 761709, 820302, 878895, 1015612, 1171860, 1230453, 1269515, 1367170, 1523418, 1640604, 1757790, 1777321, 2050755, 2285127, 2460906, 2539030, 2734340, 3046836, 3515580, 3554642, 3808545, 4101510, 4570254, 4921812, 5078060, 5331963, 6152265, 7109284, 7617090, 8203020, 8886605, 9140508, 10663926, 11425635, 12304530, 15234180, 15995889, 17773210, 21327852, 22851270, 24609060, 26659815, 31991778, 35546420, 45702540, 53319630, 63983556, 79979445, 106639260, 159958890, 319917780]

約数ペア:

[(1, 319917780), (2, 159958890), (3, 106639260), (4, 79979445), (5, 63983556), (6, 53319630), (7, 45702540), (9, 35546420), (10, 31991778), (12, 26659815), (13, 24609060), (14, 22851270), (15, 21327852), (18, 17773210), (20, 15995889), (21, 15234180), (26, 12304530), (28, 11425635), (30, 10663926), (35, 9140508), (36, 8886605), (39, 8203020), (42, 7617090), (45, 7109284), (52, 6152265), (60, 5331963), (63, 5078060), (65, 4921812), (70, 4570254), (78, 4101510), (84, 3808545), (90, 3554642), (91, 3515580), (105, 3046836), (117, 2734340), (126, 2539030), (130, 2460906), (140, 2285127), (156, 2050755), (180, 1777321), (182, 1757790), (195, 1640604), (210, 1523418), (234, 1367170), (252, 1269515), (260, 1230453), (273, 1171860), (315, 1015612), (364, 878895), (390, 820302), (420, 761709), (455, 703116), (468, 683585), (546, 585930), (585, 546868), (630, 507806), (780, 410151), (819, 390620), (910, 351558), (1092, 292965), (1170, 273434), (1260, 253903), (1365, 234372), (1638, 195310), (1820, 175779), (2340, 136717), (2730, 117186), (3276, 97655), (4095, 78124), (5460, 58593), (8190, 39062), (16380, 19531)]