25695540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 144

約数和(自身を含む): 85612800

約数和(自身を除く): 59917260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 79, 90, 117, 130, 139, 156, 158, 180, 195, 234, 237, 260, 278, 316, 390, 395, 417, 468, 474, 556, 585, 695, 711, 780, 790, 834, 948, 1027, 1170, 1185, 1251, 1390, 1422, 1580, 1668, 1807, 2054, 2085, 2340, 2370, 2502, 2780, 2844, 3081, 3555, 3614, 4108, 4170, 4740, 5004, 5135, 5421, 6162, 6255, 7110, 7228, 8340, 9035, 9243, 10270, 10842, 10981, 12324, 12510, 14220, 15405, 16263, 18070, 18486, 20540, 21684, 21962, 25020, 27105, 30810, 32526, 32943, 36140, 36972, 43924, 46215, 54210, 54905, 61620, 65052, 65886, 81315, 92430, 98829, 108420, 109810, 131772, 142753, 162630, 164715, 184860, 197658, 219620, 285506, 325260, 329430, 395316, 428259, 494145, 571012, 658860, 713765, 856518, 988290, 1284777, 1427530, 1713036, 1976580, 2141295, 2569554, 2855060, 4282590, 5139108, 6423885, 8565180, 12847770, 25695540]

約数ペア:

[(1, 25695540), (2, 12847770), (3, 8565180), (4, 6423885), (5, 5139108), (6, 4282590), (9, 2855060), (10, 2569554), (12, 2141295), (13, 1976580), (15, 1713036), (18, 1427530), (20, 1284777), (26, 988290), (30, 856518), (36, 713765), (39, 658860), (45, 571012), (52, 494145), (60, 428259), (65, 395316), (78, 329430), (79, 325260), (90, 285506), (117, 219620), (130, 197658), (139, 184860), (156, 164715), (158, 162630), (180, 142753), (195, 131772), (234, 109810), (237, 108420), (260, 98829), (278, 92430), (316, 81315), (390, 65886), (395, 65052), (417, 61620), (468, 54905), (474, 54210), (556, 46215), (585, 43924), (695, 36972), (711, 36140), (780, 32943), (790, 32526), (834, 30810), (948, 27105), (1027, 25020), (1170, 21962), (1185, 21684), (1251, 20540), (1390, 18486), (1422, 18070), (1580, 16263), (1668, 15405), (1807, 14220), (2054, 12510), (2085, 12324), (2340, 10981), (2370, 10842), (2502, 10270), (2780, 9243), (2844, 9035), (3081, 8340), (3555, 7228), (3614, 7110), (4108, 6255), (4170, 6162), (4740, 5421), (5004, 5135)]