64238850

素因数分解:

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

素因数の和:249

約数の個数: 144

約数和(自身を含む): 189571200

約数和(自身を除く): 125332350

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 79, 90, 117, 130, 139, 150, 158, 195, 225, 234, 237, 278, 325, 390, 395, 417, 450, 474, 585, 650, 695, 711, 790, 834, 975, 1027, 1170, 1185, 1251, 1390, 1422, 1807, 1950, 1975, 2054, 2085, 2370, 2502, 2925, 3081, 3475, 3555, 3614, 3950, 4170, 5135, 5421, 5850, 5925, 6162, 6255, 6950, 7110, 9035, 9243, 10270, 10425, 10842, 10981, 11850, 12510, 15405, 16263, 17775, 18070, 18486, 20850, 21962, 25675, 27105, 30810, 31275, 32526, 32943, 35550, 45175, 46215, 51350, 54210, 54905, 62550, 65886, 77025, 81315, 90350, 92430, 98829, 109810, 135525, 142753, 154050, 162630, 164715, 197658, 231075, 271050, 274525, 285506, 329430, 406575, 428259, 462150, 494145, 549050, 713765, 813150, 823575, 856518, 988290, 1284777, 1427530, 1647150, 2141295, 2470725, 2569554, 3568825, 4282590, 4941450, 6423885, 7137650, 10706475, 12847770, 21412950, 32119425, 64238850]

約数ペア:

[(1, 64238850), (2, 32119425), (3, 21412950), (5, 12847770), (6, 10706475), (9, 7137650), (10, 6423885), (13, 4941450), (15, 4282590), (18, 3568825), (25, 2569554), (26, 2470725), (30, 2141295), (39, 1647150), (45, 1427530), (50, 1284777), (65, 988290), (75, 856518), (78, 823575), (79, 813150), (90, 713765), (117, 549050), (130, 494145), (139, 462150), (150, 428259), (158, 406575), (195, 329430), (225, 285506), (234, 274525), (237, 271050), (278, 231075), (325, 197658), (390, 164715), (395, 162630), (417, 154050), (450, 142753), (474, 135525), (585, 109810), (650, 98829), (695, 92430), (711, 90350), (790, 81315), (834, 77025), (975, 65886), (1027, 62550), (1170, 54905), (1185, 54210), (1251, 51350), (1390, 46215), (1422, 45175), (1807, 35550), (1950, 32943), (1975, 32526), (2054, 31275), (2085, 30810), (2370, 27105), (2502, 25675), (2925, 21962), (3081, 20850), (3475, 18486), (3555, 18070), (3614, 17775), (3950, 16263), (4170, 15405), (5135, 12510), (5421, 11850), (5850, 10981), (5925, 10842), (6162, 10425), (6255, 10270), (6950, 9243), (7110, 9035)]